C11111333133313232233133313331333133112111112113313331312322132331   >>    C1111133313331323223313331333133313311211111211331333131232213233   <<    C11111333133313232233133313331333133112111112113313331312322132333   >>      C11111333133313232233133313331333133112111112113313331312322132332   >>