C31232233133313221211113313331333133313311211231211113313132333131   >>    C3123223313331322121111331333133313331331121123121111331313233313   <<    C31232233133313221211113313331333133313311211231211113313132333133   >>      C31232233133313221211113313331333133313311211231211113313132333132   >>