C31232233133313221211113313113313331333133313113131211113313112112121   >>    C3123223313331322121111331311331333133313331311313121111331311211212   <<    C31232233133313221211113313113313331333133313113131211113313112112123   >>      C31232233133313221211113313113313331333133313113131211113313112112122   >>