C31232233133313221211113313331333133313331212111111331313331313311   >>    C3123223313331322121111331333133313331333121211111133131333131331   <<    C31232233133313221211113313331333133313331212111111331313331313313   >>      C31232233133313221211113313331333133313331212111111331313331313312   >>