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