C1111133313331323223313331333133313331333131133133313331323133313232131111   >>    C111113331333132322331333133313331333133313113313331333132313331323213111   <<    C1111133313331323223313331333133313331333131133133313331323133313232131113   >>      C1111133313331323223313331333133313331333131133133313331323133313232131112   >>