C31232233133313221211113313331333132313331322121133132313212331   >>    C3123223313331322121111331333133313231333132212113313231321233   <<    C31232233133313221211113313331333132313331322121133132313212333   >>      C31232233133313221211113313331333132313331322121133132313212332   >>