E 4pcs F 16pcs A 1pc B 1pc C 1pc D 1pc step 1 step 2 EX4 A D step 3 step 4 IX4 JX2 B GX2 HX2 G 3pcs H 3pcs I 4pcs J 2pcs
STEP 5 STEP 6 G FX8 H STEP 7 C STEP 8 FX8