C31232233133313221211113313331333132313331323331333132313111122223131   >>    C3123223313331322121111331333133313231333132333133313231311112222313   <<    C31232233133313221211113313331333132313331323331333132313111122223133   >>      C31232233133313221211113313331333132313331323331333132313111122223132   >>