C31232233133313221211113313331333133313331212111133112113313331311323221221   >>    C3123223313331322121111331333133313331333121211113311211331333131132322122   <<    C31232233133313221211113313331333133313331212111133112113313331311323221223   >>      C31232233133313221211113313331333133313331212111133112113313331311323221222   >>