There are five puzzles and four difficulties to choose from.
All five puzzles have the same solution.A) Novice.
B) Apprentice (mainstream edition).
C) Junior Master (65 Intersection, 6 Naked Pair, 3 Naked Triplet, 4 Naked Quad,
1 Skyscraper in g7).
Select to view GRID numbers.D) Master-1 (62 Intersection, 4 Naked Pair, 4 Naked Triplet, 1 Naked Quad,
1 Uniqueness Test 1 in g2,
1 Skyscraper in g7).
Select to view GRID numbers.E) Master-2 (54 Intersection, 4 Naked Pair,
2 Uniqueness Test 1: one in g6 and one in g7).
Select to view GRID numbers.In both Master level puzzles the advanced techniques are needed in 2 different grids.Regular Clueless Special #42A (Novice)Rating based on required solving techniques: Moderate
097000002000802000000000060340000000000000720000000003006017000000080090015000030
000000070000000030008756004072000009300000020050000010000607800580009003200030040
080006010000090040006000000000000000010000080600000072002000567900000000040002100
003000080000000403250630000090000000002000001000000090080000349000000000540007800
007600009000004010004912070003000000000000000020000760096005000070000082000290005
000809000004000100500100002000000037009000001080000090002005000307080056000300000
420100800000000000003728500000000000030000009009000100000300605008900002092070040
000000300901080204305020000008000009006000700004000120040000670010500083000408000
090000003000000010104205097030000040400000009007000800006000300009500000200601005
Regular Clueless Special #42B (Apprentice)Rating based on required solving techniques: Hard
097000002000802000000000060340000000000000720000000003006017000000080090015000030
000000070000000030008756004070000009300000020050000010000607800580009003200030040
080006010000090040006000000000000000010000080600000072002000567900000000040002100
003000080000000400250630000090000000002000001000000090080000349000000000540007800
007600009000004010004912070003000000000000000020000760096005000070000082000290005
000809000004000100500100002000000037009000001080000090002005000307080056000300000
420100800000000000003728500000000000030000009009000100000300605008900002092070040
000000000901080204305020000008000009006000700004000120040000670010500083000408000
090000003000000010104205097000000040400000009007000800006000300009500000200601005
Regular Clueless Special #42C (Junior Master)Rating based on required solving techniques: Extra Hard
097000002000800000000000060340000000000000720000000003006017000000080090015000030
000000070000000030008756004072000000300000020050000010000600800580009003200030040
080056010000090040006000000000000000010000080600000072002000567900000200040002100
003000080000000400250630000090000000002000501000000090080000349000000000540007800
007600009000004010004912070003000000060000000020000760096005000070000082000290005
000809000604000100500100002000000037009000001080000090002065000307080056000300000
420100800000000000003720500000000006030000009000000100000300605008900002092070040
000000300901080200305020000008000009006000700004000120040000070010500083000408000
090000003000000010104205097030000040400000000007000800006000300009500000200601005
Regular Clueless Special #42D (Master-1)Rating based on required solving techniques: Super Hard
097000002000802000000000060340000000000000720000000003006017000000080090015000030
000000070000000030008756004070000009300000020050000010000607800580009003200030040
080006010000090040006000000000000000010000080600000072002000567900000000040002100
003000080000000400250630000090000000002000001000000090080000349000000000540007800
007600009000004010004912070003000000000000000020000760096005000070000082000290005
000809000004000100500100002000000037009000001080000090002005000307080056000300000
020100800000000000003728500000000000030000009009000100000300605008900002092070040
000000000901080204305020000008000009006000700004000120040000670000500083000408000
090000003000000010104205097000000040400000009007000800006000300009500000200601005
Regular Clueless Special #42E (Master-2)Rating based on required solving techniques: Super Hard
097000002000802000000000060340000000000000720000000003006017000000080090015000030
000000070000000030008756004072000000300000020050000010000000800580009003200030040
080006010000090040006000000000000000010000080600000072002000567900000000040002100
003000080000000400250630000090000000002000001000000090080000349000000000540007800
007600009000004010004912070003000000000000000020000760096005000070000082000290005
000829000604000100500100002000000037009000001080000090002065000307080056000300000
420100800000000000003720500000000006030000009000000100000300605008900002092070040
000000300901080200305020000008000009006000700004000120040000070000500083000408000
090000003000000010104205097030000040400000000007000800006000300009500000200601005