C31232233133313221211113313331333132313331333133313331333133313223331233331   >>    C3123223313331322121111331333133313231333133313331333133313331322333123333   <<    C31232233133313221211113313331333132313331333133313331333133313223331233333   >>      C31232233133313221211113313331333132313331333133313331333133313223331233332   >>