target rect (20,10)-(60,60) fill (20,10)-(60,20) [0,0],[-,1] fill (20,20)-(60,50) [0,1],[-,3] fill (20,50)-(20,60) [0,4],[0,1] string "0ab" atpoint: (20,10) [0,0] fill: black 0 a b string "1cd" atpoint: (20,20) [0,1] fill: black 1 c d string "2ef" atpoint: (20,30) [0,2] fill: black 2 e f string "3gh" atpoint: (20,40) [0,3] fill: black 3 g h blit (20,40)-(60,50) [0,3],[-,1], to (20,50)-(60,60) [0,4],[-,1] fill (20,40)-(60,50) [0,3],[-,1] fill (20,50)-(20,60) [0,4],[0,1]