|ʯ|С·;#al w_back {e;n;n;n;n;n;n;n;ne;ta;setdo {n;n;n;n;n;n;n;n;n;nw;n;dj do;setdo {#6 n;#11 w;n;ta;setdo {arrive_back}}}};#al w_go {s;#11 e;#6 s;dj do;setdo {s;se;s;s;s;s;s;s;s;s;s;ta;setdo {sw;s;s;s;s;s;s;s;w;e;ta;setdo {arrive}}}};#al multi_go {walk2 {w;nw;multi_next;walk2 {sw;multi_next;walk2 {n;multi_next;walk2 {s;w;multi_next;walk2 {e;s;multi_next;walk2 {n;e;multi_next;walk2 {e;multi_next;walk2 {e;multi_next;walk2 {s;multi_next;walk2 {n;#3 w;ne;se;multi_finish}}}}}}}}}}}