C31232233133313221211113313331333133313331212111133132333112313321   >>    C3123223313331322121111331333133313331333121211113313233311231332   <<    C31232233133313221211113313331333133313331212111133132333112313323   >>      C31232233133313221211113313331333133313331212111133132333112313322   >>