предпоследний пункт не проходит

package com.javarush.games.game2048; import com.javarush.engine.cell.*; import java.util.Arrays; public class Game2048 extends Game { private static final int SIDE = 4; private int[][] gameField = new int[SIDE][SIDE]; @Override public void initialize() { setScreenSize(SIDE, SIDE); createGame(); drawScene(); } private void createGame(){ createNewNumber(); createNewNumber(); } private void drawScene(){ for (int x = 0; x < SIDE; x++){ for (int y = 0; y < SIDE ; y++) { setCellColoredNumber(x, y, gameField[y][x]); } } } private void createNewNumber(){ int x, y; do { x = getRandomNumber(SIDE); y = getRandomNumber(SIDE); } while (gameField[y][x] != 0); if (getRandomNumber(10) == 9) gameField[y][x] = 4; else gameField[y][x] = 2; } private Color getColorByValue(int value){ if(value == 2) return Color.PINK; if(value == 4) return Color.PURPLE; if(value == 8) return Color.BLUE; if(value == 16) return Color.AQUA; if(value == 32) return Color.GREEN; if(value == 64) return Color.LIGHTGREEN; if(value == 128) return Color.ORANGE; if(value == 256) return Color.ORANGERED; if(value == 512) return Color.RED; if(value == 1024) return Color.DARKRED; if(value == 2048) return Color.GOLD; else return Color.WHITE; } private void setCellColoredNumber(int x, int y, int value){ if(value == 0)setCellValueEx(x, y, getColorByValue(value), ""); else setCellValueEx(x, y, getColorByValue(value), String.valueOf(value)); } private boolean compressRow(int[] row){ boolean test = false; for (int j = 0; j < row.length; j++) { for (int i = 0; i < row.length - 1; i++) { if (row[i] == 0) { row[i] = row[i + 1]; row[i + 1] = 0; test = true; } } } return test; } private boolean mergeRow(int[] row){ boolean test = false; for (int i = 0; i < row.length - 1; i++) { if(row[i] == row[i + 1] && row[i] != 0 && row[i + 1] != 0){ row[i] += row[i + 1]; row[i + 1] = 0; test = true; } } return test; } @Override public void onKeyPress(Key key) { switch (key){ case LEFT: moveLeft(); drawScene(); break; case RIGHT: moveRight(); drawScene(); break; case UP: moveUp(); drawScene(); break; case DOWN: moveDown(); drawScene(); break; } } private void moveLeft(){ int count = 0; for (int i = 0; i < SIDE; i++) { if(compressRow(gameField[i])) count++; if(mergeRow(gameField[i])) count++; if(compressRow(gameField[i])) count++; } if(count > 0) createNewNumber(); } private void moveRight(){} private void moveUp(){} private void moveDown(){} }