(1)2后面的数是2D,l7P4O+k'L,前面的数是2A'm7K8B*h;W+`:t6r,Q-J0d。.K(w/r5l5j
(2)3前面的数是2]6s(n7^0~-u7j6_;z0O2[,4后面的数是7w3R5v3@9e(z-k.K(w/r5l5j
(3)3和5之间的数是3k(m'f,u,g6Z4c0f;V。.K(w/r5l5j