C3132121111133313233121111331333133313331333133313331333133313311232312111   >>    C313212111113331323312111133133313331333133313331333133313331331123231211   <<    C3132121111133313233121111331333133313331333133313331333133313311232312113   >>      C3132121111133313233121111331333133313331333133313331333133313311232312112   >>