Номер №12

$\snippet{name: op_column_rows, args: ['35078', '+47596', '6781'], solution: '   89455'}$

$\snippet{name: op_column_rows, args: ['60184', '+37945', '+44154', '6450'], solution: ' 148733'}$

$\snippet{name: op_column_rows, args: ['54728', '+7045', '+83250', '82142'], solution: '  227165'}$