A . A.hand_put(y_gj,wz1);delay_ms(200);hand_pick(y_gj,wz1);
B . B.hand_pick(y_gj,wz1);delay-ms(200);hand_put(y_gj,wz1);
C . C.hand_put(c_gj,wz1);delay_ms(200);hand_pick(c_gj,wz1);
D . D.hand_pick(c_gj,wz1);delay_ms(200);hand_put(c_gj,wz1);
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