<image>Lidong falls on either November 7th or 8th each year and is one of the twenty-four solar terms in traditional Chinese festivals. In 2011, Lidong was on November 8th. Student Mingming wrote the following on each side of a cubic box: 2011, year, 11, month, 8, day. The plane development diagram is shown as in the figure. On this cubic box, the face opposite to the one with "11" is labeled with _______.