shot 1 0
wall 1 0 0 1
shot 1 1
shot -1 3
wall 1 0 -1 2
shot -1 3
wall 1 1 -1 1
shot -1 3
wall 2 3 2 -3
wall 3 -2 -3 -2
shot 1 -1
shot 40 -39
shot 9999 -10000
shot -1 -1
shot -3000 -2000
shot -3001 -2000
shot -3000 -2001
shot 1 0
shot 1 1
wall -1 2 10 -10
shot -1 1
shot 0 1
shot 1 1
shot 1 0
shot 1 -1
wall 0 -10000 -10000 0
shot -2 -1
end