$\snippet{name: op_column, sign: '+', x: 33, y: 66, z: 99}$
$\snippet{name: op_column, sign: '+', x: 34, y: 65, z: 99}$
$\snippet{name: op_column, sign: '+', x: 35, y: 64, z: 99}$
$\snippet{name: op_column, sign: '+', x: 36, y: 63, z: 99}$
$\snippet{name: op_column, sign: '+', x: 43, y: 56, z: 99}$
$\snippet{name: op_column, sign: '+', x: 44, y: 55, z: 99}$
$\snippet{name: op_column, sign: '+', x: 45, y: 54, z: 99}$
$\snippet{name: op_column, sign: '+', x: 46, y: 53, z: 99}$
$\snippet{name: op_column, sign: '+', x: 53, y: 46, z: 99}$
$\snippet{name: op_column, sign: '+', x: 54, y: 45, z: 99}$
$\snippet{name: op_column, sign: '+', x: 55, y: 44, z: 99}$
$\snippet{name: op_column, sign: '+', x: 56, y: 43, z: 99}$
$\snippet{name: op_column, sign: '+', x: 63, y: 36, z: 99}$
$\snippet{name: op_column, sign: '+', x: 64, y: 35, z: 99}$
$\snippet{name: op_column, sign: '+', x: 65, y: 34, z: 99}$
$\snippet{name: op_column, sign: '+', x: 66, y: 33, z: 99}$
$\snippet{name: op_column, sign: '-', x: 55, y: 33, z: 22}$
$\snippet{name: op_column, sign: '-', x: 56, y: 34, z: 22}$
$\snippet{name: op_column, sign: '-', x: 65, y: 43, z: 22}$
$\snippet{name: op_column, sign: '-', x: 66, y: 44, z: 22}$
