C313212111133131211331333133313331333112113121111331322121111113313223311211   >>    C31321211113313121133133313331333133311211312111133132212111111331322331121   <<    C313212111133131211331333133313331333112113121111331322121111113313223311213   >>      C313212111133131211331333133313331333112113121111331322121111113313223311212   >>