<?php $x=$y=0;$d[0][0]=1;$q=file(c)[0];for(;$q[$p];){$z=$q[$p++];if($z=='<')$x--;if($z=='>')$x++;if($z=='^')$y++;if($z==v)$y--;if($d[$x][$y]++<1)$t++;}echo$t;
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