C31232233133313221211113313331333133313331212111133132331133132212321   >>    C3123223313331322121111331333133313331333121211113313233113313221232   <<    C31232233133313221211113313331333133313331212111133132331133132212323   >>      C31232233133313221211113313331333133313331212111133132331133132212322   >>