C3132121111133313233121111331333133313331312121111133313223313113322333221   >>    C313212111113331323312111133133313331333131212111113331322331311332233322   <<    C3132121111133313233121111331333133313331312121111133313223313113322333223   >>      C3132121111133313233121111331333133313331312121111133313223313113322333222   >>