C31232233133313221211113313331333133313331212111133112113313331311211312321   >>    C3123223313331322121111331333133313331333121211113311211331333131121131232   <<    C31232233133313221211113313331333133313331212111133112113313331311211312323   >>      C31232233133313221211113313331333133313331212111133112113313331311211312322   >>