C31232233133313221211113313331333132313331322121133133313331223131   >>    C3123223313331322121111331333133313231333132212113313331333122313   <<    C31232233133313221211113313331333132313331322121133133313331223133   >>      C31232233133313221211113313331333132313331322121133133313331223132   >>