C11111333133313232233133313331333132313331323321313331333132213231311131   >>    C1111133313331323223313331333133313231333132332131333133313221323131113   <<    C11111333133313232233133313331333132313331323321313331333132213231311133   >>      C11111333133313232233133313331333132313331323321313331333132213231311132   >>