}
System.out.println("Add new letter at 0, 0");
board.setCaseLetter(0, 0, FACTORY.createLetter('A', 1, 0), true);
try {
board.validate(true);
fail("BoardWrongWordPlace was expected");
}
catch (BoardWrongWordPlace ex) {
System.out.println("BoardWrongWordPlace error, because center is not used");
}