C11111333133313232233133313331333133313332322331331121111121111113322231   >>    C1111133313331323223313331333133313331333232233133112111112111111332223   <<    C11111333133313232233133313331333133313332322331331121111121111113322233   >>      C11111333133313232233133313331333133313332322331331121111121111113322232   >>