C11111333133313232233133313331333133112111112113313331312111113322132331   >>    C1111133313331323223313331333133313311211111211331333131211111332213233   <<    C11111333133313232233133313331333133112111112113313331312111113322132333   >>      C11111333133313232233133313331333133112111112113313331312111113322132332   >>