C11111333133313232233133313331333133313332322331331121111121111112122321   >>    C1111133313331323223313331333133313331333232233133112111112111111212232   <<    C11111333133313232233133313331333133313332322331331121111121111112122323   >>      C11111333133313232233133313331333133313332322331331121111121111112122322   >>