$$18 \times 11-9 \times 7-9 \times 4-33 \times 3$$
$0$
$$198-9\times 7-9\times 4-33\times 3$$
$$198-63-9\times 4-33\times 3$$
$$135-9\times 4-33\times 3$$
$$135-36-33\times 3$$
$$99-33\times 3$$
$$99-99$$
$$0$$
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