$${ 1 }^{ 2 } +(3 \times 1-1)(3 \times 1+1+ { 1 }^{ 2 }$$
$11$
$$1+\left(3\times 1-1\right)\left(3\times 1+1+1^{2}\right)$$
$$1+\left(3-1\right)\left(3\times 1+1+1^{2}\right)$$
$$1+2\left(3\times 1+1+1^{2}\right)$$
$$1+2\left(3+1+1^{2}\right)$$
$$1+2\left(4+1^{2}\right)$$
$$1+2\left(4+1\right)$$
$$1+2\times 5$$
$$1+10$$
$$11$$
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