C1111121111331311211331333133313231333132212111113331333131232211   >>    C111112111133131121133133313331323133313221211111333133313123221   <<    C1111121111331311211331333133313231333132212111113331333131232213   >>      C1111121111331311211331333133313231333132212111113331333131232212   >>