poly (-31,-31)(-31,-1)(-20,-31)(-7,-4)(-7,-32)(4,-32)(4,12)(-11,12)(-18,-4)(-25,13)(-41,13)(-41,-31)
poly (10,31)(10,-16)(20,-16)(20,7)(34,17)(24,31)
poly (-48,40)(48,40)(48,-49)(-48,-49)
poly (24,-36)(24,2)(32,2)(32,-36)
poly (36,11)(36,-27)(44,-27)(44,11)
