C31232233133313221211113313331333132313331121133133311211312121   >>    C3123223313331322121111331333133313231333112113313331121131212   <<    C31232233133313221211113313331333132313331121133133311211312123   >>      C31232233133313221211113313331333132313331121133133311211312122   >>