ze1$ ze2$ ze3$ ZGRID COLOR RED [ ARCR 180 2*80 JT 0 0 ARCR 270 2*60 JT 0 0 ARCR 90 2*40 JT 0 0 ARCL 180 2*50 ARCL 180 2*40 ARCL 180 2*30 ] JT 0 0 ZGRID COLOR RED [ CURVER 180 50 JT 0 0 LT 90 CURVEL 270 40 CURVER 180 50 ] JT 0 0 ZGRID COLOR RED [ ARCR 180 2*50 RT 90 FD 50 RT 90 ARCL 180 2*25 ARCR 90 2*50 RT 90 FD 50 CURVEL 270 50 ] JT 0 0 COLOR 1 [ SPIN 4 [ REPEAT 40 [ FD 1000 BK 2000 HOME JT 10 0 ] JT 0 0 ] ]