C11111333133313232233133313331333133313332322331331121111332313311   >>    C1111133313331323223313331333133313331333232233133112111133231331   <<    C11111333133313232233133313331333133313332322331331121111332313313   >>      C11111333133313232233133313331333133313332322331331121111332313312   >>