$\snippet{name: op_column, sign: '+', x: 28, y: 36, z: 66}$
Проверка 1:
$\snippet{name: op_column, sign: '-', x: 66, y: 36, z: 28}$
Проверка 2:
$\snippet{name: op_column, sign: '-', x: 66, y: 28, z: 36}$
 
$\snippet{name: op_column, sign: '+', x: 35, y: 45, z: 80}$
Проверка 1:
$\snippet{name: op_column, sign: '-', x: 80, y: 35, z: 45}$
Проверка 2:
$\snippet{name: op_column, sign: '-', x: 80, y: 45, z: 35}$
 
$\snippet{name: op_column, sign: '+', x: 16, y: 69, z: 85}$
Проверка 1:
$\snippet{name: op_column, sign: '-', x: 85, y: 16, z: 69}$
Проверка 2:
$\snippet{name: op_column, sign: '-', x: 85, y: 69, z: 16}$
 
$\snippet{name: op_column, sign: '+', x: 38, y: 38, z: 76}$
Проверка:
$\snippet{name: op_column, sign: '-', x: 76, y: 38, z: 38}$
 
$\snippet{name: op_column, sign: '+', x: 47, y: 26, z: 73}$
Проверка 1:
$\snippet{name: op_column, sign: '-', x: 73, y: 26, z: 47}$
Проверка 2:
$\snippet{name: op_column, sign: '-', x: 73, y: 47, z: 26}$