C11111333133313232233133313331333133313332322331331121111121111112232132333131   >>    C1111133313331323223313331333133313331333232233133112111112111111223213233313   <<    C11111333133313232233133313331333133313332322331331121111121111112232132333133   >>      C11111333133313232233133313331333133313332322331331121111121111112232132333132   >>