C11111333133313232233133313331333133313331311331333133313311211211331   >>    C1111133313331323223313331333133313331333131133133313331331121121133   <<    C11111333133313232233133313331333133313331311331333133313311211211333   >>      C11111333133313232233133313331333133313331311331333133313311211211332   >>