for(int i=0;i<4;i++)
{
for(int j=0;j<3;j++){
pics[i][j] = i*3 + j + 1;
} } pics[0][3] = 0; Random rand = new Random(); for(int i=0; i<4; i++){ int x1 = rand.nextInt(3); int y1 = rand.nextInt(4); int x2 = rand.nextInt(3); int y2 = rand.nextInt(4); int n = pics[y1][x1];
