The position is

0, 0, 0, 0, 0, 0, 0
0, 0, 0, 0, 0, 0, 0
0, 0, 0, 0, 0, 0, 0
0, 2, 1, 2, 0, 2, 2
0, 1, 1, 1, 0, 2, 1
2, 2, 1, 2, 0, 1, 1
          Red can win in , 1, moves by putting its piece(1) in columns

                                      1, 3

                      We will only prove it for column, 1

         Red can win in , 1, moves by putting its piece(1) in column, 1

                              leading to position

0, 0, 0, 0, 0, 0, 0
0, 0, 0, 0, 0, 0, 0
0, 0, 0, 0, 0, 0, 0
0, 2, 1, 2, 0, 2, 2
1, 1, 1, 1, 0, 2, 1
2, 2, 1, 2, 0, 1, 1
                               Red obviously won!