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Tough Sudoku for 15/June/2014

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Submitted by: Gath

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 1. Note df5=25.Unique possibilities to 54.2. Whether h1=8;OR h1=7,g36=68;h6=2.UP81. 15/Jun/14 12:55 AM X-58 **: Symmetry=AntiDiagonal, Start=24, SSTS=28, SG=13.25, SE=9.0200300080000005100000680700107090030008430000020000000015000907900100000000000506 15/Jun/14 6:04 AM X-59: Symmetry=None, Start=25, SSTS=31, SG=22.0, SE=8.5000000020060915000004006000600001004020000890100000007350804000000170043007050000 15/Jun/14 6:27 AM X-60: Symmetry=None, Start=25, SSTS=33, SG=17.5, SE=9.0002801000000400010040023000890030500601000003003009000006007001500900700900000002 15/Jun/14 6:33 AM X-55 **: (unsolved) Symmetry=None, Start=26, SSTS=29, SG=11.5, SE=8.4008260030301007000000009500106000007730000640040000120004390005000000080000005090 1. DK: (8)ab3=f3 - (8=12)f5 # -9g8[(8)g8=g6-b6=a4-a3=*(8-1)b3=SS(1)gf3.fi9 - More... 15/Jun/14 6:36 AM step 1 above,unmangled: 1. DK: (8)ab3=f3 - (8=12)f5 # -9g8[(8)g8=g6-b6=a4-a3=*(8-1)b3=SS(1)gf3.fi9 - (1=7)h7-(7=2)c7-(2=9)b8]||[(9=2)b8-b6=c5-(2=*1)f5-f9=i9 - (1)h7==(9)b8] 15/Jun/14 6:40 AM testing... 15/Jun/14 6:43 AM 01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567 890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 012345678901234567890123456789012345678901234567890123456789 15/Jun/14 6:43 AM 01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567 890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 More... 15/Jun/14 6:44 AM X-56 *: (unsolved) 1. [SS(9)ci2.g139=e2-e6=(9-8)d6=ac6-(8=*1)a5-f5=f2-(1=9)c2]||(5)c5 - (5=9)a8 # -9c9 2. UR(19)ci.12::(9=1)c2-(1)f2=*(9)d1 - (9=1)i1 # -1i2// ext. (9)d1 - UR(69)cd.13::(9)e3=*c2 # +9c2// WW(91)e6,g3/a36; More... 15/Jun/14 6:50 AM X-51 (unsolved) 1. (469=1)g457 - SS(1)gc3.b127=(369.4)b1267-(4)bc4=g4; pause # -4g3cont. - (6)g4=h4-(369=1)h23g3 # -1g7 2. [(1=9)b7 - (9=6)g7-g4=(6-5)h4=h8 - (7)h8=*e8-e7=(7-8)a7=(8-1)i7=b7]||(7)c8 # -1c8, -9h8 3. K: (6)d679 # -6g7, STE.(6)d6 - More... 15/Jun/14 6:52 AM no win situation! step 3 unmangled: 3. K: (6)d679 # -6g7, STE.(6)d6 - (6=9)f6-(9=3)f1-b1=WW(69)b1,h2/ch3-(6)i1=i79||(6-4)d9=(4-8)c9=(8-1)c2=c3-g3=(1-6)i1=i79||(6) d7 15/Jun/14 6:54 AM X-52: (unsolved) // YW(28.6)b36,c2; -6c45 // FSF(2)bfi.138/i2; -2g13.h1// MW(28)a4/a1b3.b8; -2a8// als-xz: (6=1258)a4568-(1289=6)c2457; -6c89 1. (6=2)h4-(2=8)a4-a1=b3-YW(57.8)gb9,g3=(6)g9 # -6g5 2. (2=358)g356-(8)g1=MW(28)b3/ai1.ghi2-(2=6)c2-(6=12)ch7 # -2g7 More... 15/Jun/14 7:00 AM X-54: (unsolved) long path with only one complex step. // SS(6)fea9.ae3; -6e78 // FSF(9)adh.156/f6; -9d4// xy: (5)h4=h78-g7=(5-1)g3=g5-(1=2)h6-(2=3)a6-a5=gh5 # -(13)h4// MR(12)b5/ah6.gh5; -2a5, -3h6// SS(1)bg5.gc3; -1c4 1. DK: (29=34)gh1 - (4)h7=abe7 # -9d1, More... 15/Jun/14 7:04 AM (28) 2@df5=>fe4<>2(55) 6?@e3=>i3=3=>i8=8=>g9=7=>g3={}=>e3<>6(56) 3?@h8=>d8=7=>d1=9=>i1=8=>i8={}=>h8<>3VHBC to (81)V:Only cell left in Vertical column for this candidateH:Only cell left in More... 15/Jun/14 7:36 AM Hmmm...Seehund is also the name for German midget submarines...well named! But who would be motivated to buy these sad little guys? 15/Jun/14 10:35 AM 14:00 15/Jun/14 7:08 PM