C31232233133313221211113313331333132313331121133133313232211312111   >>    C3123223313331322121111331333133313231333112113313331323221131211   <<    C31232233133313221211113313331333132313331121133133313232211312113   >>      C31232233133313221211113313331333132313331121133133313232211312112   >>