document.writeln (' ');
document.writeln ('  | ');
document.writeln (' | ');
document.writeln ('
');
document.writeln (' ');
document.writeln ('  | ');
document.writeln ('
');
document.writeln (' ');
document.writeln (' | ');
document.writeln ('
');
document.writeln (' ');
document.writeln (' ');
document.writeln ('  | ');
document.writeln (' ');
document.writeln ('  | ');
document.writeln ('
');
document.writeln (' ');
document.writeln (' | ');
document.writeln ('
');
document.writeln (' ');
document.writeln (' | ');
document.writeln ('
');