C3132121111133313233121111331333133313331333133313331333133313331331121232311   >>    C313212111113331323312111133133313331333133313331333133313331333133112123231   <<    C3132121111133313233121111331333133313331333133313331333133313331331121232313   >>      C3132121111133313233121111331333133313331333133313331333133313331331121232312   >>