C3132121111133313233121111331333133313331333133313331333133313331331123213311   >>    C313212111113331323312111133133313331333133313331333133313331333133112321331   <<    C3132121111133313233121111331333133313331333133313331333133313331331123213313   >>      C3132121111133313233121111331333133313331333133313331333133313331331123213312   >>