$\snippet{name: op_column, sign: '-', x: '75', y: '24', z: '51'}$
Проверка:
1) $\snippet{name: op_column, sign: '-', x: '75', y: '51', z: '24'}$;
2) $\snippet{name: op_column, sign: '+', x: '51', y: '24', z: '75'}$.
 
$\snippet{name: op_column, sign: '+', x: '43', y: '16', z: '59'}$
Проверка:
1) $\snippet{name: op_column, sign: '-', x: '59', y: '43', z: '16'}$;
2) $\snippet{name: op_column, sign: '-', x: '59', y: '16', z: '43'}$.
 
$\snippet{name: op_column, sign: '+', x: '64', y: '35', z: '99'}$
Проверка:
1) $\snippet{name: op_column, sign: '-', x: '99', y: '64', z: '35'}$;
2) $\snippet{name: op_column, sign: '-', x: '99', y: '35', z: '64'}$.
 
$\snippet{name: op_column, sign: '-', x: '86', y: '46', z: '40'}$
Проверка:
1) $\snippet{name: op_column, sign: '+', x: '40', y: '46', z: '86'}$;
2) $\snippet{name: op_column, sign: '-', x: '86', y: '40', z: '46'}$.
 
$\snippet{name: op_column, sign: '-', x: '97', y: '56', z: '41'}$
Проверка:
1) $\snippet{name: op_column, sign: '-', x: '97', y: '41', z: '56'}$;
2) $\snippet{name: op_column, sign: '+', x: '41', y: '56', z: '97'}$.