C313212111133131211331333133313331333112113121111331322331333232131   >>    C31321211113313121133133313331333133311211312111133132233133323213   <<    C313212111133131211331333133313331333112113121111331322331333232133   >>      C313212111133131211331333133313331333112113121111331322331333232132   >>