C31232233133313221211113313331333133313331212111133112113313331323111122221   >>    C3123223313331322121111331333133313331333121211113311211331333132311112222   <<    C31232233133313221211113313331333133313331212111133112113313331323111122223   >>      C31232233133313221211113313331333133313331212111133112113313331323111122222   >>