C132233133112121111331333133313231333132333131211113313331312133111   >>    C13223313311212111133133313331323133313233313121111331333131213311   <<    C132233133112121111331333133313231333132333131211113313331312133113   >>      C132233133112121111331333133313231333132333131211113313331312133112   >>