A.
LT 90 BK 100 LT 90 BK 50 LT 90 BK 100 LT 180 BK 50 LT 270 BK 100
B.
BK 50 LT 90 BK 100 LT 90 BK 50 LT 90 BK 100 LT 180 BK 50 LT 270 BK 100
C.
BK 50 LT 90 BK 100 LT 90 BK 50 LT 90 BK 100 LT 180 BK 50 LT 270
D.
BK 50 LT 90 BK 100 LT 90 BK 100 LT 180 BK 50 LT 270 BK 100