C132233133112121111331333133313331312121111133313331333121111332223312331   >>    C13223313311212111133133313331333131212111113331333133312111133222331233   <<    C132233133112121111331333133313331312121111133313331333121111332223312333   >>      C132233133112121111331333133313331312121111133313331333121111332223312332   >>