C132233133112121111331333133313331312121111133313331333121121311   >>    C13223313311212111133133313331333131212111113331333133312112131   <<    C132233133112121111331333133313331312121111133313331333121121313   >>      C132233133112121111331333133313331312121111133313331333121121312   >>