change 2htdp/image to try to improve the way drawing works when there is sharing the in the tree
change 2htdp/image to try to improve the way drawing works when there is sharing the in the tree

mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket