Something

FOR I = 0; I < MAXX; I++ {
  FOR J = 0; J < MAXY; Y++ {
     IF(BOARD[I][J] == MARKED AND HAS_WIN(I,J) {
       ECHO("win SOMEHOW")
    }
  }
}


HAS_WIN(I,J) {
  IF(ARRAY_POS_OF_BOARD[I][J] < MAXX ) { // SO WE CAN LOOP HORIZONTALLY RIGHT
    WHILE() // omg haxing in here
   }
}