private void box7MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_box7MouseClicked
        if (b7 == 0) {
            box7.setForeground(Color.RED);
            box7.setText("X");
            b7 = 1;
            i++;
        }
        special_case();
        winx();
        AI_attack();
        AI();
// TODO add your handling code here:
    }//GEN-LAST:event_box7MouseClicked