C31232233133313221211113313331333133313332321333132233312323131   >>    C3123223313331322121111331333133313331333232133313223331232313   <<    C31232233133313221211113313331333133313332321333132233312323133   >>      C31232233133313221211113313331333133313332321333132233312323132   >>