a) REPEAT 2 [FD 100 RT 90 FD 50 RT 90]
b) REPEAT 3 [FD 100 RT 120]
c) REPEAT 2 [FD 100 RT 90 FD 100 RT 90]
PU
RT 45 FD 20 LT 45
PD
REPEAT 2 [FD 70 RT 90 FD 70 RT 90]
d) RT 90 FD 100
REPEAT 2 [LT 90 FD 100]
LT 90 FD 50
RT 90 FD 50
REPEAT 2 [LT 90 FD 50]