C11122123231323131323131323132322331323331333131232313231323223331   >>    C1112212323132313132313132313232233132333133313123231323132322333   <<    C11122123231323131323131323132322331323331333131232313231323223333   >>      C11122123231323131323131323132322331323331333131232313231323223332   >>