Question

工厂有5箱货物如图所示堆放.5位搬运工每人搬运一箱货物,在搬运过程中,如果货物上方还有货物,就必须先搬上面的货物,那么,

Answer 1

A-B-C-D-E

A-B-C-E-D

A-C-C-B-E

A-C-B-E-D

A-C-B-D-E

C-D-A-B-E

C-A-D-B-E

C-A-B-D-E

C-A-B-E-D