1
var validTicTacToe = function (board) {
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  let playerX = 0,
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    playerO = 0;
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  let horizontal = [0, 0, 0];
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  let vertical = [0, 0, 0];
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  let diagnol = [0, 0];
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  const transformConfig = (row, col, val) => {
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    horizontal[row] += val;
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    vertical[col] += val;
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    if (row === col) {
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      diagnol[0] += val;
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      if (row + col == board.length - 1) {
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        diagnol[1] += val;
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      }
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    } else if (row + col == board.length - 1) {
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      diagnol[1] += val;
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    }
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  };
20

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  board.forEach((data, row) => {
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    data.split("").forEach((turn, col) => {
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      if (turn == "X") {
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        playerX++;
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        transformConfig(row, col, 1);
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      } else if (turn == "O") {
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        playerO++;
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        transformConfig(row, col, -1);
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      }
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    });
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  });
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  if (playerX < playerO || playerX - playerO > 1) return false;
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  if (horizontal.includes(3) && playerX <= playerO) return false;
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  if (vertical.includes(3) && playerX <= playerO) return false;
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  if (diagnol.includes(3) && playerX <= playerO) return false;
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  if (horizontal.includes(-3) && playerX > playerO) return false;
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  if (vertical.includes(-3) && playerX > playerO) return false;
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  if (diagnol.includes(-3) && playerX > playerO) return false;
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  return true;
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};