C1111133313331323223313331333133313331323131211113313221212122311   >>    C111113331333132322331333133313331333132313121111331322121212231   <<    C1111133313331323223313331333133313331323131211113313221212122313   >>      C1111133313331323223313331333133313331323131211113313221212122312   >>