C132233133112121111331333133313331333132322331333131211113323211   >>    C13223313311212111133133313331333133313232233133313121111332321   <<    C132233133112121111331333133313331333132322331333131211113323213   >>      C132233133112121111331333133313331333132322331333131211113323212   >>