C11111333133313232233133313331333132332313112113313331323123231313221   >>    C1111133313331323223313331333133313233231311211331333132312323131322   <<    C11111333133313232233133313331333132332313112113313331323123231313223   >>      C11111333133313232233133313331333132332313112113313331323123231313222   >>