speed-grid/mixed-4x4/easy · 套题 1
2 problems
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1
4×4 mixed speed grid. Row: [9, 8, 1, 7] × Col: [4, 7, 6, 9]
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2
4×4 mixed speed grid. Row: [5, 3, 7, 1] × Col: [10, 8, 6, 9]
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