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4=>(4,1) | 8=>(2,1) | 9=>(8,1) | 2=>(2,3) | 9=>(3,3) | 7=>(4,2) | 7=>(2,9) | 9=>(4,8) | 2=>(9,4) | 3=>(9,6) | 6=>(7,3) | 1=>(9,2) | 6=>(9,8) | 9=>(9,5) | 1=>(7,7) | 2=>(1,5) | 2=>(6,1) | 6=>(5,1) | 1=>(5,3) | 5=>(8,3) | 2=>(7,2) | 4=>(7,8) | 2=>(8,7) | 5=>(6,2) | 1=>(3,4) | 5=>(5,7) | 4=>(8,5) | 6=>(6,5) | 6=>(3,6) | 3=>(8,9) | 4=>(5,9) | 4=>(2,7) | 5=>(2,5) | 4=>(1,4) | 7=>(3,5) | 5=>(1,8) | 3=>(5,5) | 1=>(4,5) | 1=>(6,9) | 3=>(6,8) | 8=>(4,9) | 3=>(3,7) | 3=>(1,2) | 8=>(1,6) | 4=>(3,2) | 8=>(3,8) | 8=>(7,5) | 5=>(7,6) | 7=>(7,4) | 8=>(5,4) | 7=>(5,6) |