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Submitted by: Gath

 Indicate which comments you would like to be able to see GeneralJokesOtherSudoku Technique/QuestionRecipes
 Basics to 451. (5)f2=(5-2)f1=f9-i9=(2-5)i3=(5)b3 =>-5b22. (1=6)c3-(6=4)b2-a1=g1-(4=1)g7-g6=(1)h6 =>-1h3; basics to 523. (1=4)g7-g1=a1-(4=1)a8 =>-1hi8; singles to 81 30/Mar/18 3:41 AM |  |
 Much like cenoman's, changing order of steps 2 and 3. Basics to UP = 451. (5=12)f29 - (2)i9 = (2-5)i3 = (5)b3 => -5b2 2. (1=4)a8 - a1 = g1 - (4=1)g7 => -1ac7|hi8. 3. (1): i123 = i9 - c9 = c3 => -1gh3 ; UP = 81 30/Mar/18 4:14 AM |  |
 Wilodene for the lovely photo of blooming cactus. Not often we see blooming cactus, and these are really beautiful. 30/Mar/18 5:53 AM |  |
 Ignoring Basics#46 5?@b3=>g3=3=>e3=7=>c3=6=>{b2=4,a7=6}=>a8=4=>h7=4=>g7=1=>e8=1=>e1=2=>a… .i7<>2=>b3<>5Basics needed other then Sudoku Fundamentals#27 18@d4f6=>f5e4<>81 9@a12=>a5<>9#46 67@e23=>e3<>2 30/Mar/18 7:38 AM |  |
 After considering cenoman's solution a bit more, I realized steps 2 and 3 can be combined:1. (5=12)f29 - (2)i9 = (2-5)i3 = (5)b3 => -5b22. (1)c3 = c79 - (1*=4)a8 - a1 = g1 - (4=1*)g7 - g6 = (1)h6 => -1*ac7|hi8, -1h3 ; UP = 81 31/Mar/18 1:01 AM |  |

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