Duplicate code not detected where two variables differ

[Luro02]

Summary

if ((doesRCExist(currentField.getRow() + 1, currentField.getColumn()))
    && (!previousFields.get(0).equals(gameBoard[currentField.getRow() + 1][currentField.getColumn()]))) {
    fieldsToSearch.add(gameBoard[currentField.getRow() + 1][currentField.getColumn()]);
    previousFields.add(currentField);
    movementLeft.add(movementLeft.get(0) - 1);
}

if ((doesRCExist(currentField.getRow(), currentField.getColumn() + 1))
    && (!previousFields.get(0).equals(gameBoard[currentField.getRow()][currentField.getColumn() + 1]))) {
    fieldsToSearch.add(gameBoard[currentField.getRow()][currentField.getColumn() + 1]);
    previousFields.add(currentField);
    movementLeft.add(movementLeft.get(0) - 1);
}

if ((doesRCExist(currentField.getRow() - 1, currentField.getColumn()))
    && (!previousFields.get(0).equals(gameBoard[currentField.getRow() - 1][currentField.getColumn()]))) {
    fieldsToSearch.add(gameBoard[currentField.getRow() - 1][currentField.getColumn()]);
    previousFields.add(currentField);
    movementLeft.add(movementLeft.get(0) - 1);
}

if ((doesRCExist(currentField.getRow(), currentField.getColumn() - 1))
    && (!previousFields.get(0).equals(gameBoard[currentField.getRow()][currentField.getColumn() - 1]))) {
    fieldsToSearch.add(gameBoard[currentField.getRow()][currentField.getColumn() - 1]);
    previousFields.add(currentField);
    movementLeft.add(movementLeft.get(0) - 1);
}

Lint Name

DUPLICATE_CODE

Reproducer

<code>