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# Tough Sudoku for 12/February/2016

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Submitted by: Gath

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 1. Basics; UP272. 5h7 -> a8=g5=i3=5; a2=1 and i2=4; e2=3, e8=8, e5=b6=4, df6=6; f5={} :=> h7=8; UP333. 5i7 -> a8=g5=e9=5; i5=2, i3=4 and a4=8, c4=3; c3=b9=a5=6; f5=d9=4; 8Row9={} :=> i7=5; UP424. HP(89-246)cg2=6df2-6df1; Swordfish(2dg8,2gi5,2ifd2)-2d1; WWing(34)e2d6,3f26-(4=5)d1; UP81 12/Feb/16 3:51 AM Typo ... i7=7; UP42 12/Feb/16 3:53 AM 1. Basics; UP272. 5h7 -> a8=g5=i3=5; a2=1 and i2=4; e2=3, e8=d5=8; 9Row5={} :=> h7=8; UP333. 5i7 -> a8=g5=e9=5; i5=2, i3=4 and a4=8, c4=3; c3=b9=a5=6; f5=d9=4; 8Row9={} :=> i7=7; UP424. HP(89-246)cg2=6df2-6df1; Swordfish(2dg8,2gi5,2ifd2)-2d1; WWing(34)e2d6,3f26-(4=5)d1; UP81 12/Feb/16 3:58 AM Interesting photo Bev. Lake Louise has so many things to offer including great skiing. 12/Feb/16 6:46 AM Standard techniques UP 271. DK (134)e2, (358)e8 =>-5h7 UP 331a. Kraken cell (134)e2 =>(3)e2=(5)[a7==h3]||(1)e2-a2=(1-5)a8=(5)a7||(3)e2||(4)e2-i2=(4-5)i3=(5)h3 1b. Kraken cell (358)e8 More... 13/Feb/16 12:26 AM A longer path:SE=8.5SSTS1)(1)i8=i5-(1=8)h6-(8=5)h7-a7=(5)a8,=>a8<>12)(4)a5=(4-5)a7=hi7-g98=( 5-9)g5=(9-8)d5=(5)e5,=>de5<>43)Kraken :(358)e8,=>h7<>5(3)e8-(3=4)e2-i2=(4-5)i3=(5)h3||(5)e8-a8=(5)a7||(8)e8-(8=5)e5-f4= More... 13/Feb/16 12:39 AM Tupo,5)=>e9<>8 13/Feb/16 12:45 AM 1:35:24 14/Feb/16 11:58 PM