desi -1,-1 b
mov i 2,0 200 4,0
mov i 1,-1 4 jh
mov c -1,-1 300 4,0
mov c -1,-1 300 3,-1
mov c 1,-1 175 3,-1
deli i 2,0 0 j
deli i 1,-1 0 j
mov c 2,0 230 5,-1
desi 4,0 k
desi 3,-1 j
dist # 5,-1
thre h 4,0 1
thre l 3,-1 1
desi 5,-1 h