C31232233133313221211113313331333132313331121133133313223132311211   >>    C3123223313331322121111331333133313231333112113313331322313231121   <<    C31232233133313221211113313331333132313331121133133313223132311213   >>      C31232233133313221211113313331333132313331121133133313223132311212   >>