$\snippet{name: op_column, sign: '+', x: '47', y: '12', z: ' '}$
$\snippet{name: op_column, sign: '+', x: '59', y: '23', z: ' '}$
$\snippet{name: op_column, sign: '-', x: '89', y: '57', z: ' '}$
$\snippet{name: op_column, sign: '-', x: '73', y: '46', z: ' '}$
$\snippet{name: op_column, sign: '-', x: '51', y: '24', z: ' '}$
$\snippet{name: op_column, sign: '+', x: '47', y: '12', z: '59 '}$
$\snippet{name: op_column, sign: '+', x: '59', y: '23', z: '82 '}$
$\snippet{name: op_column, sign: '-', x: '89', y: '57', z: '32 '}$
$\snippet{name: op_column, sign: '-', x: '73', y: '46', z: '27 '}$
$\snippet{name: op_column, sign: '-', x: '51', y: '24', z: '27 '}$