C11111333133313232233133313331333133313332322331331121111122132322331323131211   >>    C1111133313331323223313331333133313331333232233133112111112213232233132313121   <<    C11111333133313232233133313331333133313332322331331121111122132322331323131213   >>      C11111333133313232233133313331333133313332322331331121111122132322331323131212   >>