ze1$ ze2$ ze3$ ZGRID COLOR RED [ COLOR RED [ REPEAT 2 [ REPEAT 2 [ FD 50 RT 90 FD 20 LT 90 ] RT 90 BK 20 ] ] JT 0 0 JT 40 0 COLOR RED [MT 100 0 ] JT 0 0 ] ZGRID COLOR RED [ FD 80 rt 120 fd 80 rt 120 fd 80 rt 120 lt 45 fd 50*sqrt 2 lt 135 fd 100 lt 135 fd 50*sqrt 2] lt 45 ZGRID COLOR RED [ REPEAT 3 [ FD 80 RT 120 FD 80 RT 120 FD 80 RT 180 ] ] JT 0 0 COLOR 1 [ SPIN 4 [ REPEAT 40 [ FD 1000 BK 2000 HOME JT 10 0 ] JT 0 0 ] ] SPIN 4 [FD 1000 HOME ]