C11111333133313232233133313331333132313331323321313331333133313331331122132221   >>    C1111133313331323223313331333133313231333132332131333133313331333133112213222   <<    C11111333133313232233133313331333132313331323321313331333133313331331122132223   >>      C11111333133313232233133313331333132313331323321313331333133313331331122132222   >>