C31232233133313221211113313331333132313331322121133132323311211   >>    C3123223313331322121111331333133313231333132212113313232331121   <<    C31232233133313221211113313331333132313331322121133132323311213   >>      C31232233133313221211113313331333132313331322121133132323311212   >>