int col = 1; 1 < 4; col++

for int row = 1; row < 3; row++
[1][1] F [2][1] J

int col = 2; 2 < 4; col++

for int row = 1; row < 3; row++
[1][2] G [2][2] K


int col = 3; 3 < 4; col++

for int row = 1; row < 3; row++
[1][3] H [2][3] L