hint 
title 
make iridescent_bubble 31 4 21
make block-exit_u 21 4 3
make block-wood2 21 4 5
make block-wood2 21 4 9
make block-wood2 21 4 13
make block-wood2 21 4 17
make block-wood2 21 4 21
make block-wood2 21 4 25
make block-wood2 21 4 29
make block-wood2 21 4 33
make block-wood2 21 4 37
make block-wood2 21 4 41
make block-exit_d 21 4 45
