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