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ref: ccd579e72ee8ea2de46786a6b296f37a0ecf5867 parent: 4359f59dd22770a94e29b2ddd54b533ad1713550 author: Ben Harris <bjh21@bjh21.me.uk> date: Tue Jan 31 16:03:36 EST 2023
Loopy: Specify can_solve as true, rather than 1