$\snippet{name: op_column, sign: '-', x: 49, y: 35, z: 14}$
Проверка:
$\snippet{name: op_column, sign: '+', x: 14, y: 35, z: 49}$
$\snippet{name: op_column, sign: '-', x: 68, y: 18, z: 50}$
Проверка:
$\snippet{name: op_column, sign: '+', x: 50, y: 18, z: 68}$
$\snippet{name: op_column, sign: '-', x: 32, y: 17, z: 15}$
Проверка:
$\snippet{name: op_column, sign: '+', x: 15, y: 17, z: 32}$
$\snippet{name: op_column, sign: '-', x: 80, y: 65, z: 15}$
Проверка:
$\snippet{name: op_column, sign: '+', x: 15, y: 65, z: 80}$
