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 The Remarkables look remarkable. Nice photo, Kate. 27/Jul/17 3:56 AM |  |
 5 singles; de9=34, def2=138; f1=4There are only 2 solutions for the digit 5 *The solutions of the digit 6 exclude {6b2, 6h1} **The solutions of the digit 7 exclude {7i7} *** (67)i2 -> 1 unique solution [-> *, **, ***; +3a3; +5h8; S-Wing{6hb5, (69)b9, 9bh2} -> +6i2] 27/Jul/17 5:51 AM |  |
 Basics to 281. (7)b2=(7-6)i2=i6-a6=(6-3)a1=(3)a3 =>-7a3; basics to 372. (5=1)h8-h6=(1-9)e6=(9-5)e4=b4 =>-5b8; basics to 423. (9=6)b9-b5=h5-(6=9)h2 =>-9b2; basics to 46//kite (6)h5=b5-a6=a1 =>-6b2; singles to 81 27/Jul/17 5:56 AM |  |
 36:33 27/Jul/17 7:10 AM |  |
 SE=7,2Basics to UP=281)(6)a1=a6-i6=(6-7)i2=b2-(7=3)a3,=>b2<>6,a1<>32)(7)c5=(7-1)c3=(1-2)b3=(2-5)d 3=(5)d5,=>c5<>53)(6=9)h2-b2=(9-6)b9=(6)b5,=>h5<>6.UP=81 27/Jul/17 7:18 AM |  |
 #28 25@d3e1=>d3e1<>4 138@def2=>b2<>18#29 7?@i2=>i6=6=>a1=6=>b2=9=>c1=8=>c6=9=>a4=4=>a6={}=>i2<>7VHBC to #81V:Only cell left in Vertical column for this candidateH:Only cell left in Horizontal row for More... 27/Jul/17 7:25 AM |  |
 1. Unique possibilities to 28.Les's efficient elimination:2. Whether a6=6=i2;OR a467=497,i9=7;b2=7.UP81. 27/Jul/17 8:21 AM |  |
 Beautiful photo! 27/Jul/17 11:15 AM |  |
 Sorry, my step 2 is not valid, and does not represent Les's one step solution. 27/Jul/17 8:19 PM |  |

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