C31232233133313221211113313331333133313331212111111113313223322331   >>    C3123223313331322121111331333133313331333121211111111331322332233   <<    C31232233133313221211113313331333133313331212111111113313223322333   >>      C31232233133313221211113313331333133313331212111111113313223322332   >>