C132233133112121111331333133313331323133313331333131211113312311   >>    C13223313311212111133133313331333132313331333133313121111331231   <<    C132233133112121111331333133313331323133313331333131211113312313   >>      C132233133112121111331333133313331323133313331333131211113312312   >>