C31232233133313221211113313331333133313331212111133112113313331311211312331   >>    C3123223313331322121111331333133313331333121211113311211331333131121131233   <<    C31232233133313221211113313331333133313331212111133112113313331311211312333   >>      C31232233133313221211113313331333133313331212111133112113313331311211312332   >>