Sugarcane

body { background:#EDFFE6; color:black }\n.passage, #floater { background:white; color:#000000; -moz-border-radius: 8px; border-radius: 8px; padding:6px; border:1px solid #FF8096}\nh1, h2, h3 {color:black;line-height:25%}\n.passage {max-width:800px;margin:auto}\n.passage .toolbar { display:none }\n.passage .body .internalLink, #floater a:link, #floater a:visited {color:black}

<<set $n = $n - 6>><<display "main">>

<<set $n = $n + 17>><<display "main">>

<<set $n = $n + 15>><<display "main">>

<<set $n = $n + 10>><<display "main">>

History.prototype.originalDisplay = History.prototype.display;\nHistory.prototype.display = function (title, link, render)\n{\nif ((render != 'quietly') && (render != 'offscreen'))\nremoveChildren($('passages'));\nthis.originalDisplay.apply(this, arguments);\n};

Start at 63 and get to 0 by adding or subtracting in increments of 6, 10, 15 or 17, without using any of the <html>red numbers</html>.\n\n<<display "numberlist">>\n\n[[Begin|63]]

<<silently>><<set $n = 63>><<endsilently>><<display "main">>

<<set $n = $n - 15>><<display "main">>

<<set $n = $n + 6>><<display "main">>

<<set $n = $n - 17>><<display "main">>

Mike Meyer

<<set $n = $n - 10>><<display "main">>

<<if \n($n eq 4) or \n($n eq 6) or \n($n eq 8) or \n($n eq 15) or \n($n eq 16) or \n($n eq 17) or \n($n eq 19) or \n($n eq 20) or \n($n eq 27) or \n($n eq 28) or\n($n eq 35) or\n($n eq 37) or\n($n eq 42) or\n($n eq 44) or\n($n eq 46) >>\nSorry! <<print $n>> is not allowed!\n\n<<display "numberlist">>\n\n[[Start Over|63]]\n<<else>><<if $n eq 0>>\n<html><h1>You did it!</h1></html>\n\nThe End.\n<<else>>\nCurrently at: <<print $n>>\n\n<<display "numberlist">>\n\n<<if $n gte 17>>[[-17]]<<endif>>\n<<if $n gte 15>>[[-15]]<<endif>>\n<<if $n gte 10>>[[-10]]<<endif>>\n<<if $n gte 6>>[[-6]]<<endif>>\n<<if $n lte 57>>[[+6]]<<endif>>\n<<if $n lte 53>>[[+10]]<<endif>>\n<<if $n lte 48>>[[+15]]<<endif>>\n<<if $n lte 46>>[[+17]]<<endif>>\n<<endif>><<endif>>