Homework 4: 謎

size 225 225
paper 30 15 10
command square x y s c
{

pen c x s
line c s c(c+s)


pen c x s
line c x s (c+s)

}

repeat A 3 11
{
repeat B 0 40
{
square (A*10+3) (B*10+5) 0 (A+B*10)
}
}