(8 9 10 11 12 13+3)-3(without the extra space between lines imposed by this edit widget) becomes
8 9 10 11 12 13
(8 9 10 11 12 13-3)+3
8 9 10 11 12 13
(8 9 10 11 12 13+3)-3 8 9 10 11 12 13 (8 9 10 11 12 13-3)+3 8 9 10 11 12 13
1 2 3
100 200 300
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