diff --git a/Makefile b/Makefile
index ffa69b4..2f3e33f 100644
--- a/Makefile
+++ b/Makefile
@@ -25,7 +25,7 @@ clean:
 dist: clean
 	mkdir -p dwm-${VERSION}
 	cp -R LICENSE Makefile README config.def.h config.mk\
-		dwm.1 drw.h util.h ${SRC} dwm.png transient.c dwm-${VERSION}
+		dwm.1 drw.h util.h ${SRC} tcl.c dwm.png transient.c dwm-${VERSION}
 	tar -cf dwm-${VERSION}.tar dwm-${VERSION}
 	gzip dwm-${VERSION}.tar
 	rm -rf dwm-${VERSION}
diff --git a/config.def.h b/config.def.h
index e088319..a855fb6 100644
--- a/config.def.h
+++ b/config.def.h
@@ -1,4 +1,5 @@
 /* See LICENSE file for copyright and license details. */
+#include "tcl.c"
 
 /* appearance */
 static const unsigned int borderpx  = 1;        /* border pixel of windows */
@@ -42,8 +43,9 @@ static const int refreshrate = 120;  /* refresh rate (per second) for client mov
 static const Layout layouts[] = {
 	/* symbol     arrange function */
 	{ "[]=",      tile },    /* first entry is default */
-	{ "><>",      NULL },    /* no layout function means floating behavior */
+	{ "|||",      tcl },     /* triple column layout */
 	{ "[M]",      monocle },
+	{ "><>",      NULL },    /* no layout function means floating behavior */
 };
 
 /* key definitions */
@@ -77,8 +79,9 @@ static const Key keys[] = {
 	{ MODKEY,                       XK_Tab,    view,           {0} },
 	{ MODKEY|ShiftMask,             XK_c,      killclient,     {0} },
 	{ MODKEY,                       XK_t,      setlayout,      {.v = &layouts[0]} },
-	{ MODKEY,                       XK_f,      setlayout,      {.v = &layouts[1]} },
+	{ MODKEY,                       XK_y,      setlayout,      {.v = &layouts[1]} },
 	{ MODKEY,                       XK_m,      setlayout,      {.v = &layouts[2]} },
+	{ MODKEY,                       XK_f,      setlayout,      {.v = &layouts[3]} },
 	{ MODKEY,                       XK_space,  setlayout,      {0} },
 	{ MODKEY|ShiftMask,             XK_space,  togglefloating, {0} },
 	{ MODKEY,                       XK_minus,  setgaps,        {.i = -5 } },
diff --git a/tcl.c b/tcl.c
new file mode 100644
index 0000000..ccbda8d
--- /dev/null
+++ b/tcl.c
@@ -0,0 +1,81 @@
+void
+tcl(Monitor *m)
+{
+	int x, y, h, mw, sw, bdw, gap;
+	unsigned int i, n, rc, lc;
+	Client *c;
+
+	for (n = 0, c = nexttiled(m->clients); c;
+	        c = nexttiled(c->next), n++);
+
+	if (n == 0)
+		return;
+
+	gap = m->gappx;
+	c = nexttiled(m->clients);
+
+	mw = m->mfact * m->ww;
+	sw = (m->ww - mw) / 2;
+	bdw = (2 * c->bw);
+	int rsw = m->ww - mw - sw; /* right stack absorbs remainder pixel */
+
+	/* master window */
+	{
+		int mww = (n == 1 ? m->ww - 2 * gap : n == 2 ? mw - gap : mw - 2 * gap) - bdw;
+		int mwh = m->wh - bdw - 2 * gap;
+		resize(c,
+		       (n < 3 ? m->wx : m->wx + sw) + gap,
+		       m->wy + gap,
+		       MAX(1, mww), MAX(1, mwh),
+		       False);
+	}
+
+	if (--n == 0)
+		return;
+
+	c = nexttiled(c->next);
+
+	/* 2 total windows: master + one stack window (right side) */
+	if (n == 1) {
+		int sw2 = m->ww - mw - (2 * c->bw) - 2 * gap;
+		int sh2 = m->wh - (2 * c->bw) - 2 * gap;
+		resize(c,
+		       m->wx + mw + gap,
+		       m->wy + gap,
+		       MAX(1, sw2), MAX(1, sh2),
+		       False);
+		return;
+	}
+
+	/* 3+ total windows: left stack | master | right stack */
+	rc = n / 2;
+	lc = (n + 1) / 2;
+
+	/* right stack */
+	x = m->wx + mw + sw;
+	y = m->wy + gap;
+	for (i = 0; c && i < rc; c = nexttiled(c->next), i++)
+	{
+		int denom = rc - i;
+		if (denom <= 0) denom = 1;
+		h = (m->wh - (y - m->wy)) / denom - gap;
+		int rw = rsw - (2 * c->bw) - gap;
+		int rh = h - (2 * c->bw);
+		resize(c, x, y, MAX(1, rw), MAX(1, rh), False);
+		y += HEIGHT(c) + gap;
+	}
+
+	/* left stack */
+	x = m->wx + gap;
+	y = m->wy + gap;
+	for (i = 0; c; c = nexttiled(c->next), i++)
+	{
+		int denom = lc - i;
+		if (denom <= 0) denom = 1;
+		h = (m->wh - (y - m->wy)) / denom - gap;
+		int lw = sw - (2 * c->bw) - gap;
+		int lh = h - (2 * c->bw);
+		resize(c, x, y, MAX(1, lw), MAX(1, lh), False);
+		y += HEIGHT(c) + gap;
+	}
+}