C132233133112121111331333133313231333132333131211113313331311312233121   >>    C13223313311212111133133313331323133313233313121111331333131131223312   <<    C132233133112121111331333133313231333132333131211113313331311312233123   >>      C132233133112121111331333133313231333132333131211113313331311312233122   >>