C313212111133131211331333133313331333231322331333132313331121211   >>    C31321211113313121133133313331333133323132233133313231333112121   <<    C313212111133131211331333133313331333231322331333132313331121213   >>      C313212111133131211331333133313331333231322331333132313331121212   >>