digraph G{
"116" -> {"146";}
"72" -> {"105";"142";}
"115" -> {"140";"89";}
"50" -> {"11";"31";}
"14" -> {"18";"63";"44";"77";"3";}
"89" -> {"58";"104";}
"119" -> {"40";"80";"120";"132";"137";}
"86" -> {"70";"95";}
"45" -> {"18";"63";"44";"77";"3";}
"79" -> {"40";"80";"120";"132";"137";}
"104" -> {}
"32" -> {"22";"47";}
"26" -> {"52";"71";}
"6" -> {"40";"80";"120";"132";"137";}
"69" -> {"55";"79";}
"142" -> {}
"149" -> {}
"33" -> {"79";"67";}
"159" -> {"138";"153";}
"49" -> {}
"80" -> {"113";}
"96" -> {"136";}
"148" -> {"112";"141";}
"102" -> {"111";"119";}
"123" -> {"146";"118";}
"63" -> {"26";"85";}
"52" -> {"65";"81";}
"168" -> {"154";"164";}
"53" -> {"99";}
"73" -> {"50";"11";}
"12" -> {"18";"63";"44";"77";"3";}
"5" -> {"14";"17";"45";}
"4" -> {"75";"91";}
"87" -> {"106";"134";}
"71" -> {"6";"78";}
"95" -> {"40";"80";"120";"132";"137";}
"25" -> {"5";"34";}
"90" -> {"6";"78";}
"31" -> {"93";"73";}
"165" -> {"129";"148";}
"generate" -> {"background";}
"74" -> {"66";"130";}
"34" -> {"18";"63";"44";"77";"3";}
"47" -> {"10";"38";}
"81" -> {"70";"95";}
"124" -> {"40";"80";"120";"132";"137";}
"163" -> {"146";"165";}
"103" -> {"125";"149";}
"157" -> {"101";"147";}
"40" -> {"117";"84";"117";}
"18" -> {"99";"53";"99";}
"126" -> {"72";"103";}
"28" -> {"18";"63";"44";"77";"3";}
"120" -> {"157";"151";}
"134" -> {"40";"80";"120";"132";"137";}
"153" -> {"155";"169";}
"16" -> {"64";"87";}
"8" -> {"27";"39";}
"110" -> {"135";"121";"133";}
"56" -> {"16";"98";}
"147" -> {"107";"143";}
"109" -> {"40";"120";"132";}
"127" -> {"56";"139";}
"background" -> {"1";}
"167" -> {"156";"162";}
"64" -> {"30";"51";"76";}
"42" -> {"48";}
"106" -> {"40";"80";"120";"132";"137";}
"39" -> {"18";"63";"44";"77";"3";}
"51" -> {"40";"80";"120";"132";"137";}
"65" -> {"4";"20";}
"11" -> {"57";"35";}
"111" -> {"40";"80";"120";"132";"137";}
"156" -> {"152";"168";"161";}
"58" -> {"170";}
"154" -> {"146";"121";"133";}
"17" -> {"18";"63";"44";"77";"3";}
"19" -> {"41";"83";}
"13" -> {"18";"63";"44";"77";"3";}
"0" -> {"generate";"implementation";"rules";}
"75" -> {"40";"80";"120";"132";"137";}
"100" -> {"64";"87";}
"20" -> {"59";"86";}
"98" -> {"66";"130";}
"46" -> {"170";}
"rules" -> {"generate";"0";}
"131" -> {}
"67" -> {"40";"80";"120";"132";"137";}
"91" -> {"70";"95";}
"60" -> {"18";"63";"44";"77";"3";}
"158" -> {"146";"118";}
"125" -> {"170";}
"21" -> {"18";"63";"44";"77";"3";}
"161" -> {"163";"166";}
"144" -> {"40";"80";"120";"132";"137";}
"143" -> {"141";"118";}
"130" -> {"74";"100";}
"82" -> {"40";"80";"120";"132";"137";}
"7" -> {"127";}
"23" -> {"40";"80";"120";"132";"137";}
"59" -> {"40";"80";"120";"132";"137";}
"88" -> {"19";"60";}
"112" -> {"159";}
"132" -> {"115";"61";}
"30" -> {"40";"80";"120";"132";"137";}
"135" -> {"150";"159";}
"68" -> {"92";"124";}
"15" -> {"31";"11";}
"84" -> {"117";}
"133" -> {"146";"148";}
"62" -> {"102";"119";}
"48" -> {"2";"42";"7";"36";}
"38" -> {}
"29" -> {"40";"80";"120";"132";"137";}
"105" -> {"170";}
"150" -> {"159";}
"128" -> {"141";"146";"121";"133";}
"114" -> {"129";"148";}
"155" -> {"146";"167";"112";}
"36" -> {"23";"48";}
"9" -> {"170";}
"78" -> {"40";"80";"120";"132";"137";}
"97" -> {"79";"67";}
"107" -> {"116";"123";}
"99" -> {"69";"90";}
"162" -> {"158";"131";}
"138" -> {"167";"112";}
"108" -> {"29";"144";}
"151" -> {"140";"89";}
"10" -> {"2";"42";"7";"36";}
"24" -> {"40";"80";"120";"132";"137";}
"57" -> {"88";"50";}
"22" -> {"18";"63";"44";"77";"3";}
"129" -> {"121";"121";"133";}
"55" -> {"33";"97";}
"140" -> {"170";}
"77" -> {"62";"94";}
"169" -> {"152";"160";}
"92" -> {"40";"80";"120";"132";"137";}
"141" -> {}
"70" -> {"54";"82";}
"2" -> {"127";}
"27" -> {"12";}
"113" -> {"96";"136";}
"121" -> {"146";"148";}
"170" -> {}
"85" -> {"3";}
"43" -> {"28";"13";}
"117" -> {"46";"122";}
"61" -> {"140";"89";}
"136" -> {"132";"40";"120";}
"118" -> {"135";"128";"121";"133";}
"94" -> {"40";"80";"120";"132";"137";}
"54" -> {"40";"80";"120";"132";"137";}
"139" -> {"64";"98";}
"166" -> {"141";"165";}
"160" -> {"101";"147";}
"35" -> {"18";"63";"44";"77";"3";}
"83" -> {"18";"63";"44";"77";"3";}
"1" -> {"8";"25";"32";"43";"15";}
"44" -> {"127";}
"122" -> {"58";"104";}
"152" -> {}
"41" -> {"21";"49";}
"137" -> {"109";"126";}
"66" -> {"64";"87";}
"76" -> {"40";"80";"120";"132";"137";}
"101" -> {"114";"145";}
"37" -> {"18";"63";"44";"77";"3";}
"93" -> {"57";"35";}
"3" -> {"108";"68";}
"164" -> {"141";"161";}
"145" -> {"110";"131";}
"146" -> {"140";"89";}
}