C3132121111133313233121111331333133313331333133313331333133313132132311   >>    C313212111113331323312111133133313331333133313331333133313331313213231   <<    C3132121111133313233121111331333133313331333133313331333133313132132313   >>      C3132121111133313233121111331333133313331333133313331333133313132132312   >>