C31232233133313221211113313331333133313331212111133112113313331311211312231   >>    C3123223313331322121111331333133313331333121211113311211331333131121131223   <<    C31232233133313221211113313331333133313331212111133112113313331311211312233   >>      C31232233133313221211113313331333133313331212111133112113313331311211312232   >>