C11111333133313232233133313331333132313331323321313331333132313113133311   >>    C1111133313331323223313331333133313231333132332131333133313231311313331   <<    C11111333133313232233133313331333132313331323321313331333132313113133313   >>      C11111333133313232233133313331333132313331323321313331333132313113133312   >>