$\snippet{name: op_column, sign: '+', x: 651, y: 126, z: 777}$
 
$\snippet{name: op_column, sign: '-', x: 379, y: 253, z: 126}$
 
$\snippet{name: op_column, sign: '-', x: 306, y: 138, z: 163}$
 
$\snippet{name: op_column, sign: '-', x: 402, y: 243, z: 159}$
 
$\snippet{name: column_multiplication, x: 453, y: 2}$
 
$\snippet{name: column_multiplication, x: 321, y: 3}$
 
$\snippet{name: column_multiplication, x: 171, y: 5}$
 
$\snippet{name: column_multiplication, x: 98, y: 6}$.