C111123313121111121111331333133313331323132333133313331322331323211221   >>    C11112331312111112111133133313331333132313233313331333132233132321122   <<    C111123313121111121111331333133313331323132333133313331322331323211223   >>      C111123313121111121111331333133313331323132333133313331322331323211222   >>