C31232233133313221211113313331333133313331212111113331322333321   >>    C3123223313331322121111331333133313331333121211111333132233332   <<    C31232233133313221211113313331333133313331212111113331322333323   >>      C31232233133313221211113313331333133313331212111113331322333322   >>