diff --git a/src-ui/changes.html b/src-ui/changes.html
index e627e92e4..f2d147e4f 100644
--- a/src-ui/changes.html
+++ b/src-ui/changes.html
@@ -33,13 +33,13 @@
 <main>
 <div style="margin-bottom: 5px;"><b>Latest types</b> (<em><a href="/list.html" target="_parent">all types</a></em>)</div>
 <ul>
+  <li><a href="/p?wittgen" target="_parent">Wittgenstein Briquet</a></li>
   <li><a href="/p?kaisu" target="_parent">Kaisu</a></li>
   <li><a href="/p?pentatouch" target="_parent">Penta Touch</a></li>
   <li><a href="/p?waterwalk" target="_parent">Water Walk ウォーターウォーク</a></li>
   <li><a href="/p?patchwork" target="_parent">Patchwork パッチワーク</a></li>
   <li><a href="/p?myopia" target="_parent">Myopia</a></li>
   <li><a href="/p?sashikazune" target="_parent">Sashikazune さしカズね</a></li>
-  <li><a href="/p?brownies" target="_parent">Brownies ブラウニー</a></li>
 </ul>
 </main>
 </body>
diff --git a/src-ui/img/wittgen.png b/src-ui/img/wittgen.png
new file mode 100644
index 000000000..2cd0ed39d
Binary files /dev/null and b/src-ui/img/wittgen.png differ
diff --git a/src-ui/js/ui/KeyPopup.js b/src-ui/js/ui/KeyPopup.js
index d324c38c9..0c0cdfd62 100644
--- a/src-ui/js/ui/KeyPopup.js
+++ b/src-ui/js/ui/KeyPopup.js
@@ -183,7 +183,8 @@ ui.keypopup = {
 		sashikazune: [10, 0],
 		patchwork: [10, 0],
 		waterwalk: [10, 0],
-		haisu: [10, 0]
+		haisu: [10, 0],
+		wittgen: [4, 0]
 	},
 
 	//---------------------------------------------------------------------------
diff --git a/src-ui/js/ui/Misc.js b/src-ui/js/ui/Misc.js
index 88790da45..540a48914 100755
--- a/src-ui/js/ui/Misc.js
+++ b/src-ui/js/ui/Misc.js
@@ -190,6 +190,7 @@ function toBGimage(pid) {
 		"vslither",
 		"walllogic",
 		"waterwalk",
+		"wittgen",
 		"yinyang"
 	];
 	if (imgs.indexOf(pid) >= 0) {
diff --git a/src-ui/list.html b/src-ui/list.html
index 8671a254a..b8d787265 100644
--- a/src-ui/list.html
+++ b/src-ui/list.html
@@ -334,6 +334,7 @@ <h2 id="title"><span lang="ja">パズルの種類のリスト</span><span lang="
     <li data-pid="takoyaki"></li>
     <li data-pid="magnets"></li>
     <li data-pid="battleship"></li>
+    <li data-pid="wittgen"></li>
    </ul>
   </div>
   <div class="lists others">
diff --git a/src/pzpr/variety.js b/src/pzpr/variety.js
index abe510fab..ecfc953d2 100755
--- a/src/pzpr/variety.js
+++ b/src/pzpr/variety.js
@@ -387,6 +387,7 @@
 			walllogic: [0, 0, "ウォールロジック", "Wall Logic"],
 			waterwalk: [0, 0, "ウォーターウォーク", "Water Walk", "icewalk"],
 			wblink: [0, 0, "シロクロリンク", "Shirokuro-link"],
+			wittgen: [0, 0, "Wittgenstein Briquet", "Wittgenstein Briquet", "kaidan"],
 			yajikazu: [1, 0, "やじさんかずさん", "Yajisan-Kazusan"],
 			yajilin: [
 				0,
diff --git a/src/res/failcode.en.json b/src/res/failcode.en.json
index 8d6bd7fae..5857a8293 100644
--- a/src/res/failcode.en.json
+++ b/src/res/failcode.en.json
@@ -397,6 +397,7 @@
     "cu3.aqre": "There are more than three unshaded cells in a row.",
     "cuConnOut": "Some unshaded cells are not connected to the outside.",
     "cuDivide.kaidan": "The rectangles are divided.",
+    "cuDivide.wittgen": "The cells not used by rectangles are divided.",
     "cuDivide": "The unshaded cells are divided.",
     "cuDivideRB": "The unshaded cells are divided.",
     "cuEndpoint.takoyaki": "An endpoint does not have a circle.",
@@ -525,6 +526,7 @@
     "lnLenGt.reflect": "The lines passing a triangle are too long.",
     "lnLengthGt.pencils": "A line is longer than the connected pencil.",
     "lnLengthLt.pencils": "A line is shorter than the connected pencil.",
+    "lnLengthNe3.wittgen": "A block does not cover exactly 3 cells.",
     "lnLenLt.anglers": "A line is shorter than the number.",
     "lnLenLt.reflect": "The lines passing a triangle are too short.",
     "lnMultipleTips.pencils": "A line connects to more than one pencil tip.",
@@ -636,8 +638,10 @@
     "nmIgnored.herugolf": "There is a Hole without a ball.",
     "nmIneqNe.minarism": "A inequality sign is not correct.",
     "nmLineGt.hashikake": "The number of connecting bridges to a number is not correct.",
+    "nmLineGt.wittgen": "The number of blocks adjacent to a number is not correct.",
     "nmLineGt1.amibo": "Multiple lines connect to a white circle.",
     "nmLineLt.hashikake": "The number of connecting bridges to a number is not correct.",
+    "nmLineLt.wittgen": "The number of blocks adjacent to a number is not correct.",
     "nmLineLt2.kouchoku": "A clue doesn't have two segments.",
     "nmLineNe.ichimaga": "The number is not equal to the number of lines out of the circle.",
     "nmLineNe.lither": "The number is not equal to the number of lines around it.",
diff --git a/src/variety/kaidan.js b/src/variety/kaidan.js
index 3fd9c9447..f3f44efed 100644
--- a/src/variety/kaidan.js
+++ b/src/variety/kaidan.js
@@ -4,7 +4,7 @@
 	} else {
 		pzpr.classmgr.makeCustom(pidlist, classbase);
 	}
-})(["kaidan", "takoyaki"], {
+})(["kaidan", "takoyaki", "wittgen"], {
 	MouseEvent: {
 		use: true,
 		RBShadeCell: true,
@@ -53,13 +53,19 @@
 				return;
 			}
 
-			if (this.pid === "kaidan" && cell.lcnt === 1 && this.btn === "left") {
+			if (
+				(this.pid === "kaidan" || this.pid === "wittgen") &&
+				cell.lcnt === 1 &&
+				this.btn === "left"
+			) {
 				cell.setLineVal(+!cell.line);
 				cell.draw();
 			} else if (cell.isNum()) {
 				this.inputqcmp();
 			} else if (this.btn === "right" && this.inputpeke_ifborder()) {
 				return;
+			} else if (this.pid === "wittgen") {
+				this.inputShade();
 			} else {
 				this.inputcell();
 			}
@@ -99,7 +105,7 @@
 			this.common.mousereset.call(this);
 		}
 	},
-	"MouseEvent@kaidan": {
+	"MouseEvent@kaidan,wittgen": {
 		inputLine: function() {
 			var cell = this.getcell();
 			var addcmp = false;
@@ -172,6 +178,22 @@
 			}
 		}
 	},
+	"MouseEvent@wittgen#2": {
+		inputModes: {
+			edit: ["number", "undef", "clear"],
+			play: ["line", "peke", "subcircle", "objblank", "completion"]
+		},
+		inputShade: function() {
+			if (this.puzzle.getConfig("use") === 2) {
+				this.inputBGcolor();
+			} else {
+				this.inputFixedQsub(this.btn === "left" ? 1 : 2);
+			}
+		},
+		inputDot: function() {
+			this.inputFixedQsub(2);
+		}
+	},
 
 	KeyEvent: {
 		enablemake: true
@@ -197,6 +219,81 @@
 	"Border@takoyaki": {
 		enableLineNG: true
 	},
+	"Border@wittgen": {
+		prehook: {
+			line: function(num) {
+				if (!num) {
+					return false;
+				}
+
+				if (this.isLineNG() || this.checkFormCurve(num)) {
+					return true;
+				}
+
+				var length = 0;
+
+				if (this.isVert() && this.relbd(-2, 0).path) {
+					length += this.relbd(-2, 0).path.clist.length;
+				}
+				if (this.isVert() && this.relbd(2, 0).path) {
+					length += this.relbd(2, 0).path.clist.length;
+				}
+				if (!this.isVert() && this.relbd(0, -2).path) {
+					length += this.relbd(0, -2).path.clist.length;
+				}
+				if (!this.isVert() && this.relbd(0, 2).path) {
+					length += this.relbd(0, 2).path.clist.length;
+				}
+				return length >= 3;
+			}
+		},
+		posthook: {
+			line: function() {
+				for (var i in this.sidecell) {
+					var cell = this.sidecell[i];
+					if (cell.line && cell.lcnt !== 1) {
+						cell.setLineVal(0);
+					}
+					if (this.line && cell.qsub) {
+						cell.setQsub(0);
+					}
+					cell.draw();
+				}
+				if (this.path && this.path.clist.length === 3) {
+					for (var c = 0; c < 3; c++) {
+						var cell = this.path.clist[c];
+						if (cell.lcnt === 1) {
+							cell.setLineVal(1);
+							cell.draw();
+						}
+					}
+				}
+				if (!this.line && this.isVert()) {
+					if (this.relbd(-2, 0).line) {
+						var cell = this.relcell(-3, 0);
+						cell.setLineVal(0);
+						cell.draw();
+					}
+					if (this.relbd(2, 0).line) {
+						var cell = this.relcell(3, 0);
+						cell.setLineVal(0);
+						cell.draw();
+					}
+				} else if (!this.line && this.isHorz()) {
+					if (this.relbd(0, -2).line) {
+						var cell = this.relcell(0, -3);
+						cell.setLineVal(0);
+						cell.draw();
+					}
+					if (this.relbd(0, 2).line) {
+						var cell = this.relcell(0, 3);
+						cell.setLineVal(0);
+						cell.draw();
+					}
+				}
+			}
+		}
+	},
 
 	Cell: {
 		maxnum: 4,
@@ -228,6 +325,16 @@
 			return this.qnum === -1;
 		}
 	},
+	"Cell@wittgen": {
+		isDot: function() {
+			return this.qsub === 2 && this.lcnt === 0;
+		},
+		prehook: {
+			qsub: function(num) {
+				return num && (this.isNum() || this.lcnt > 0);
+			}
+		}
+	},
 
 	Board: {
 		cols: 8,
@@ -247,29 +354,43 @@
 			return !cell.noLP();
 		}
 	},
+	"AreaUnshadeGraph@wittgen": {
+		enabled: true,
+		relation: { "border.line": "block" },
+		isnodevalid: function(cell) {
+			return cell.lcnt === 0;
+		},
+		modifyOtherInfo: function(border, relation) {
+			this.setEdgeByNodeObj(border.sidecell[0]);
+			this.setEdgeByNodeObj(border.sidecell[1]);
+		}
+	},
 
 	Graphic: {
-		hideHatena: true,
-
 		gridcolor_type: "LIGHT",
 
-		fontShadecolor: "white",
 		fgcellcolor_func: "qnum",
 		qcmpcolor: "rgb(127,127,127)",
-		mbcolor: "rgb(127,127,255)",
 
 		paint: function() {
 			this.drawBGCells();
 			this.drawGrid();
 
-			this.drawQuesCells();
+			if (this.pid !== "wittgen") {
+				this.drawQuesCells();
+			}
 			this.drawQuesNumbers();
 
-			this.drawCircles();
-			this.drawCrosses();
+			if (this.pid !== "wittgen") {
+				this.drawCircles();
+				this.drawCrosses();
+			} else {
+				this.drawDotCells();
+				this.drawMBs();
+			}
 
 			this.drawLines();
-			if (this.pid === "kaidan") {
+			if (this.pid === "kaidan" || this.pid === "wittgen") {
 				this.drawLineEnds();
 			}
 			this.drawPekes();
@@ -277,6 +398,30 @@
 			this.drawChassis();
 
 			this.drawTarget();
+		}
+	},
+	"Graphic@kaidan,takoyaki#2": {
+		hideHatena: true,
+		mbcolor: "rgb(127,127,255)",
+		fontShadecolor: "white",
+		getQuesNumberColor: function(cell) {
+			return cell.qcmp === 1 ? this.qcmpcolor : this.fontShadecolor;
+		},
+
+		getCircleStrokeColor: function(cell) {
+			if (cell.qans === 1) {
+				if (cell.error === 1) {
+					return this.errcolor1;
+				} else if (cell.trial) {
+					return this.trialcolor;
+				} else {
+					return this.quescolor;
+				}
+			}
+			return null;
+		},
+		getCircleFillColor: function(cell) {
+			return null;
 		},
 		drawCrosses: function() {
 			var g = this.vinc("cell_mb", "auto");
@@ -300,28 +445,9 @@
 					g.vhide();
 				}
 			}
-		},
-
-		getQuesNumberColor: function(cell) {
-			return cell.qcmp === 1 ? this.qcmpcolor : this.fontShadecolor;
-		},
-		getCircleStrokeColor: function(cell) {
-			if (cell.qans === 1) {
-				if (cell.error === 1) {
-					return this.errcolor1;
-				} else if (cell.trial) {
-					return this.trialcolor;
-				} else {
-					return this.quescolor;
-				}
-			}
-			return null;
-		},
-		getCircleFillColor: function(cell) {
-			return null;
 		}
 	},
-	"Graphic@kaidan": {
+	"Graphic@kaidan,wittgen": {
 		drawLines: function() {
 			var g = this.vinc("line", "crispEdges");
 			var mx = this.bw / 2;
@@ -378,8 +504,10 @@
 
 					px = cell.bx * this.bw;
 					py = cell.by * this.bh;
-					g.fillStyle = cell.trial ? this.trialcolor : this.linecolor;
 					var lm = this.lm + this.addlw / 2;
+					g.fillStyle = cell.trial
+						? this.trialcolor
+						: this.getLineColor(dir[1]);
 					if (dir[1].isVert()) {
 						g.fillRectCenter(
 							px + (mx + 1) * (dir[2] === cell.RT ? -1 : +1),
@@ -404,6 +532,36 @@
 	"Graphic@takoyaki": {
 		irowake: true
 	},
+	"Graphic@wittgen#2": {
+		getQuesNumberColor: function(cell) {
+			if ((cell.error || cell.qinfo) === 1) {
+				return this.errcolor1;
+			}
+			return cell.qcmp ? this.qcmpcolor : this.quescolor;
+		},
+		drawMBs: function() {
+			var g = this.vinc("cell_mb", "auto", true);
+			g.lineWidth = 1;
+
+			var rsize = this.cw * 0.35;
+			var clist = this.range.cells;
+			for (var i = 0; i < clist.length; i++) {
+				var cell = clist[i],
+					px,
+					py;
+
+				g.vid = "c_MB1_" + cell.id;
+				if (cell.qsub === 1) {
+					px = cell.bx * this.bw;
+					py = cell.by * this.bh;
+					g.strokeStyle = !cell.trial ? this.mbcolor : "rgb(192, 192, 192)";
+					g.strokeCircle(px, py, rsize);
+				} else {
+					g.vhide();
+				}
+			}
+		}
+	},
 
 	Encode: {
 		decodePzpr: function(type) {
@@ -419,7 +577,11 @@
 			this.decodeCell(function(cell, ca) {
 				var val = +ca;
 				if (val & 1) {
-					cell.qans = 1;
+					if (this.pid === "wittgen") {
+						cell.qsub = 2;
+					} else {
+						cell.qans = 1;
+					}
 				}
 				if (val & 2) {
 					cell.line = 1;
@@ -436,10 +598,10 @@
 		encodeData: function() {
 			this.encodeCellQnum();
 			this.encodeCell(function(cell) {
-				return (
-					(cell.qans | (cell.line << 1) | (cell.qsub << 2) | (cell.qcmp << 3)) +
-					" "
-				);
+				var ans = this.pid === "wittgen" ? cell.qsub === 2 : cell.qans === 1;
+				var sub = cell.qsub === 1;
+
+				return (+ans | (cell.line << 1) | (+sub << 2) | (cell.qcmp << 3)) + " ";
 			});
 			this.encodeBorderLine();
 		}
@@ -463,6 +625,16 @@
 				1,
 				"nmShadeLt"
 			);
+		},
+		checkLineOverlap: function() {
+			this.checkAllCell(function(cell) {
+				return cell.lcnt > 2 || cell.isLineCurve();
+			}, "laCurve");
+		},
+		checkMissingEnd: function() {
+			this.checkAllCell(function(cell) {
+				return cell.lcnt === 1 && !cell.line;
+			}, "ceNoEnd");
 		}
 	},
 
@@ -514,17 +686,6 @@
 				return b1.line && b2.line;
 			}, "lnEnds");
 		},
-
-		checkLineOverlap: function() {
-			this.checkAllCell(function(cell) {
-				return cell.lcnt > 2 || cell.isLineCurve();
-			}, "laCurve");
-		},
-		checkMissingEnd: function() {
-			this.checkAllCell(function(cell) {
-				return cell.lcnt === 1 && !cell.line;
-			}, "ceNoEnd");
-		},
 		checkEmptyCell_kaidan: function() {
 			this.checkAllCell(function(cell) {
 				return cell.lcnt === 0 && !cell.isShade() && cell.noNum();
@@ -632,6 +793,56 @@
 			}, "cuEndpoint");
 		}
 	},
+	"AnsCheck@wittgen#1": {
+		checklist: [
+			"checkDir4BlockOver",
+			"checkConnectUnshade",
+			"checkLineOverlap",
+			"checkLineLength",
+			"checkDir4BlockLess",
+			"checkMissingEnd"
+		],
+		checkLineLength: function() {
+			var paths = this.board.linegraph.components;
+			for (var r = 0; r < paths.length; r++) {
+				var path = paths[r];
+				if (path.clist.length === 3) {
+					continue;
+				}
+				if (
+					path.clist.length === 2 &&
+					(!path.clist[0].line || !path.clist[1].line)
+				) {
+					continue;
+				}
+
+				this.failcode.add("lnLengthNe3");
+				if (this.checkOnly) {
+					break;
+				}
+				this.board.border.setnoerr();
+				path.setedgeerr(1);
+			}
+		},
+		checkDir4BlockOver: function() {
+			this.checkDir4Cell(
+				function(cell) {
+					return cell.lcnt;
+				},
+				2,
+				"nmLineGt"
+			);
+		},
+		checkDir4BlockLess: function() {
+			this.checkDir4Cell(
+				function(cell) {
+					return cell.lcnt;
+				},
+				1,
+				"nmLineLt"
+			);
+		}
+	},
 	"FailCode@takoyaki": {
 		lnOnShade: "lnOnShade"
 	}
diff --git a/test/script/wittgen.js b/test/script/wittgen.js
new file mode 100644
index 000000000..1b0c7d4d2
--- /dev/null
+++ b/test/script/wittgen.js
@@ -0,0 +1,101 @@
+/* wittgen.js */
+
+ui.debug.addDebugData("wittgen", {
+	url: "6/6/n0drchbj",
+	failcheck: [
+		[
+			"nmLineGt",
+			"pzprv3/wittgen/6/6/. . . . . . /. . 0 3 . . /. . . . . . /. . . . . . /2 . . . . 1 /. . . . . . /0 0 0 0 0 0 /0 0 0 0 0 0 /0 0 0 0 0 0 /2 0 2 0 0 0 /0 2 0 2 0 0 /2 0 2 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /1 1 0 0 0 /0 1 1 0 0 /1 1 0 0 0 /0 0 0 0 0 0 /0 0 0 0 0 0 /0 0 0 0 0 0 /0 0 0 0 0 0 /0 0 0 0 0 0 /"
+		],
+		[
+			"nmLineLt",
+			"pzprv3/wittgen/6/6/. . . . . . /. . 0 3 . . /. . . . . . /. . . . . . /2 . . . . 1 /. . . . . . /0 0 0 0 0 0 /0 0 0 0 0 0 /0 0 0 0 0 0 /0 0 0 0 0 0 /0 2 0 2 0 0 /2 0 2 2 0 2 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 1 1 0 0 /1 1 0 1 1 /0 0 0 0 0 0 /0 0 0 0 0 0 /0 0 0 0 0 0 /0 0 0 0 0 0 /0 0 0 0 0 0 /"
+		],
+		[
+			"lnLengthNe3",
+			"pzprv3/wittgen/6/6/. . . . . . /. . 0 3 . . /. . . . . . /. . . . . . /2 . . . . 1 /. . . . . . /0 0 0 0 0 0 /0 0 0 0 0 0 /0 0 0 0 0 0 /2 0 0 2 0 0 /0 0 0 0 0 0 /0 0 0 0 2 2 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /1 1 1 0 0 /0 0 0 0 0 /0 0 0 0 1 /0 0 0 0 0 0 /0 0 0 0 0 0 /0 0 0 0 0 0 /0 0 0 0 0 0 /0 0 0 0 0 0 /"
+		],
+		[
+			"laCurve",
+			"pzprv3/wittgen/6/6/. . . . . . /. . 0 3 . . /. . . . . . /. . . . . . /2 . . . . 1 /. . . . . . /0 0 0 0 0 0 /0 0 0 0 0 0 /0 0 0 0 0 0 /0 0 2 0 0 0 /0 0 0 0 0 0 /2 0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /1 1 0 0 0 /0 0 0 0 0 0 /0 0 0 0 0 0 /0 0 0 0 0 0 /0 0 1 0 0 0 /0 0 1 0 0 0 /"
+		],
+		[
+			"cuDivide",
+			"pzprv3/wittgen/6/6/. . . . . . /. . 0 3 . . /. . . . . . /. . . . . . /2 . . . . 1 /. . . . . . /0 0 0 2 0 2 /2 0 0 0 2 0 /0 0 0 2 0 0 /2 0 0 0 2 0 /0 0 0 2 0 0 /2 0 2 2 0 2 /0 0 0 1 1 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /1 1 0 1 1 /0 0 0 0 0 0 /1 0 0 0 1 0 /1 0 0 1 1 0 /0 0 0 1 0 0 /0 0 0 0 0 0 /"
+		],
+		[
+			"ceNoEnd",
+			"pzprv3/wittgen/6/6/. . . . . . /. . 0 3 . . /. . . . . . /. . . . . . /2 . . . . 1 /. . . . . . /0 0 0 2 0 2 /0 0 0 0 2 2 /0 0 0 2 0 0 /2 0 0 0 0 2 /0 2 0 0 0 0 /0 0 0 0 0 0 /0 0 0 1 1 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 0 /0 0 0 0 1 1 /1 0 0 1 1 1 /0 1 0 1 0 0 /0 0 0 0 0 0 /"
+		],
+		[
+			null,
+			"pzprv3/wittgen/6/6/. . . . . . /. . 0 3 . . /. . . . . . /. . . . . . /2 . . . . 1 /. . . . . . /0 0 0 2 0 2 /2 0 0 0 2 2 /0 2 0 2 0 0 /2 0 0 0 2 2 /0 2 0 2 0 0 /0 0 0 0 0 0 /0 0 0 1 1 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 0 /1 0 0 0 1 1 /1 1 0 1 1 1 /0 1 0 1 0 0 /0 0 0 0 0 0 /"
+		]
+	],
+	inputs: [
+		{
+			label: "Test UnshadeGraph updates",
+			input: [
+				"newboard,4,2",
+				"playmode",
+				"mouse,left,1,1,5,1",
+				"mouse,left,3,3,7,3"
+			],
+			result: function(puzzle, assert) {
+				assert.notEqual(
+					puzzle.board.getc(7, 1).ublk,
+					puzzle.board.getc(1, 3).ublk
+				);
+			}
+		},
+		{
+			label: "Input aux marks",
+			input: [
+				"newboard,3,3",
+				"mouse,left,1,3",
+				"mouse,right,3,3",
+				"mouse,right,5,1,5,3"
+			],
+			result:
+				"pzprv3/wittgen/3/3/. . . /. . . /. . . /0 0 1 /4 1 1 /0 0 0 /0 0 /0 0 /0 0 /0 0 0 /0 0 0 /"
+		},
+		{
+			label: "Remove aux marks",
+			input: ["mouse,left,1,3,3,3", "mouse,left,1,3"],
+			result:
+				"pzprv3/wittgen/3/3/. . . /. . . /. . . /0 0 1 /2 0 1 /0 0 0 /0 0 /1 0 /0 0 /0 0 0 /0 0 0 /"
+		},
+		{
+			label: "Stop corners",
+			input: ["mouse,left,3,5,5,5,5,1"],
+			result:
+				"pzprv3/wittgen/3/3/. . . /. . . /. . . /0 0 0 /2 0 0 /0 0 0 /0 0 /1 0 /0 1 /0 0 1 /0 0 0 /"
+		},
+		{
+			label: "Auto-close on 3",
+			input: ["newboard,6,1", "mouse,left,1,1,11,1"],
+			result: "pzprv3/wittgen/1/6/. . . . . . /2 0 2 2 0 2 /1 1 0 1 1 /"
+		},
+		{
+			label: "Erase lines",
+			input: ["mouse,left,3,1,9,1", "playmode,objblank", "mouse,left,5,1,7,1"],
+			result: "pzprv3/wittgen/1/6/. . . . . . /0 0 1 1 0 0 /1 0 0 0 1 /"
+		},
+		{
+			label: "Cycle aux mark",
+			input: ["playmode,auto", "setconfig,use,2", "mouse,right,5,1"],
+			result: "pzprv3/wittgen/1/6/. . . . . . /0 0 4 1 0 0 /1 0 0 0 1 /"
+		},
+		{
+			label: "Erase lines vertical",
+			input: [
+				"newboard,1,6",
+				"mouse,left,1,1,1,11",
+				"mouse,left,1,1,1,3",
+				"mouse,left,1,9,1,11"
+			],
+			result:
+				"pzprv3/wittgen/6/1/. /. /. /. /. /. /0 /0 /0 /0 /0 /0 ///////0 /1 /0 /1 /0 /"
+		}
+	]
+});