There are eight puzzles and six difficulties to choose from.
All eight puzzles have the same solution.A) Novice.
B) Apprentice (mainstream edition).
C) Master (90 Intersections, 6 Naked Pairs, 2 Naked Triplets, 3 Naked Quads,
1 X-Wing in g5,
1 XY-Wing in g5).
Select to view GRID numbers.D) Guru (112 Intersections, 10 Naked Pairs, 2 Naked Triplets, 2 Naked Quads, 2 Hidden Triplets, 1 X-Wing, 2 Skyscrapers, 4 Two String Kites, 6 Empty Rectangles, 2 Finned X-Wing, 2 Finned Swordfish, 2 Grouped X-Wing, 1 Grouped Swordfish (222), 6 Grouped Turbot Fishes, 4 Uniqueness Test 1, 4 XY-Wings, 1 XYZ-Wing, 1 Y-Wing, 1 Uniqueness Test 3, 5 XY-X-Chains up to 3 links).
E) Wizard.
F) Chief Wizard 1.
Solvable using logic only? JSudoku needs 1 Recursively Solve, which makes 8 guesses and traverses 1997 nodes.G) Chief Wizard 2.
Solvable using logic only? JSudoku needs 1 Recursively Solve, which makes 25 guesses and traverses 75116 nodes.H) Chief Wizard 3.
Solvable using logic only? JSudoku needs 1 Recursively Solve, which makes 27 guesses and traverses 836662 nodes.Regular Clueless Explosion #15A (Novice)Rating based on required solving techniques: Moderate
605000000000006200000007006000000021100000000040020090004000000000000007500732900
200006700008001000000005039000002307809000000000000000000000000605000000001609072
100000000005900003000700090000050000000000400000006007200000076300000900007560000
500000000008000200900402001050000000200900000003070002000006030000000807019040005
000060000000000703430009000200004009000800000053000007900300006000000200008006000
000003000000007006700001400003000000000000900019200000000000000000000003501904002
052090000000000000100007008078000000004000509000400070090000300000004900006009040
000000900004008000700603000050000006002100000006302010000070000600000300008000400
000000075000001000490060000200000100000604003300070060004000001000306002020050700
Regular Clueless Explosion #15B (Apprentice)Rating based on required solving techniques: Tough
005000000000006200000007006000000021100000000040020090004000000000000007500732900
200006700008001000000005039000002307809000000000000000000000000605000000001609072
100000000005900003000700090000050000000000400000006007200000076300000900007560000
500000000008000000900402001050000000200900000003070002000006030000000807010000005
000060000000000703430009000200004009000800000053000007900000006006000200008006000
000003050000000006700001400003000600000000900019270000000000000400000003501904002
052090000000000000100007008008000000004000509000400070090000300000004900006009040
000000900004008000700603000050000006002100000006302010000070090600000300508000400
000000075000001000490060000200000100000600003300070060004000001000306002020050700
Regular Clueless Explosion #15C (Master)Rating based on required solving techniques: Super Hard
005000000000006200000007006000000021100000000040020090004000000000000007500732900
200006700008001000000005039000002307809000000000000000000000000605000000001609072
100000000005900003000700090000050000000000400000006007200000076300000900007560000
500000000008000000900402001050000000200900000003070002000006030000000807010000005
000000000000000703430009000200004009000800000053000007900000076000000200008006000
000003000000000006700001400003000000000000900019270000000000000400000003501904002
052090000000000000100007008008000000004000509000400070090000300000004000006009040
000000900004008000700603000050000006002100000006302010000070000600000300008000400
000000075000001000490060000200000100000600003300070060004000001000306002020050700
Regular Clueless Explosion #15D (Guru)Rating based on required solving techniques: Ultra Hard
005000000000006200000007006000000021100000000040020090004000000000000007500732900
200006700008001000000005039000002307809000000000000000000000000605000000001609072
100000000005900003000700090000050000000000400000006007200000076300000900007560000
000000000008000200900402001050000000200900000003070002000006030000000807010000005
000060000000000703430009000200004009000800000053000007900000006006000200008006000
000003050000000006700001400003000600000000900019270000000000000400000003501904002
052090000000000000100007008008000000004000509000400070090000300000004000006009040
000000900004008000700603000050000006002100000006302010000070000000000300508000400
000000075000001000490060000200000100000600003300070060004000001000306002020050700
Regular Clueless Explosion #15E (Wizard)Rating based on required solving techniques: Nightmare
005000000000006200000007006000000021100000000040020090004000000000000007500732900
200006700008001000000005039000002307809000000000000000000000000605000000001609072
100000000005900003000700090000050000000000400000006007200000076300000900007560000
000000000008000200900402001050000000200900000003070002000006030000000807010000005
000060000000000703430009000200004009000800000053000007900000006006000200008006000
000003000000000006700001400003000000000000900019270000000000000400000003501904002
052090000000000000100007008008000000004000509000400070090000300000004000006009040
000000900004008000700603000050000006002100000006302010000070000000000300508000400
000000075000001000490060000200000100000600003300070060004000001000306002020050700
Regular Clueless Explosion #15F (Chief Wizard 1)Rating based on required solving techniques: Hellish Nightmare Solvable using logic only?
005000000000006200000007006000000021100000000040020090004000000000000007500732900
200006700008001000000005039000002307809000000000000000000000000605000000001609072
100000000005900003000700090000050000000000400000006007200000076300000900007560000
000000000008000200900402001050000000200900000003070002000006030000000807010000005
000000000000000703430009000200004009000800000053000007900000006006000200008006000
000003000000000006700001400003000000000000900019270000000000000400000003501904002
052090000000000000100007008008000000004000509000400070090000300000004000006009040
000000900004008000700603000050000006002100000006302010000070000000000300508000400
000000075000001000490060000200000100000600003300070060004000001000306002020050700
Regular Clueless Explosion #15G (Chief Wizard 2)Rating based on required solving techniques: Hellish Nightmare Solvable using logic only?
005000000000006200000007006000000021100000000040020090004000000000000007500732900
200006700008001000000005039000002307809000000000000000000000000605000000001609072
100000000005900003000700090000050000000000400000006007200000076300000900007560000
000000000008000200900402001050000000200900000003070002000006030000000807010000005
000000000000000703430009000200004009000800000053000007900000006006000200008006000
000003000000000006700001400003000000000000900019200000000000000400000003501904002
052090000000000000100007008008000000004000509000400070090000300000004000006009040
000000900004008000700603000050000006002100000006302010000070000000000300508000400
000000075000001000490060000200000100000600003300070060004000001000306002020050700
Regular Clueless Explosion #15H (Chief Wizard 3)Rating based on required solving techniques: Hellish Nightmare Solvable using logic only?
005000000000006200000007006000000021100000000040020090004000000000000007500732900
200006700008001000000005039000002307809000000000000000000000000605000000001609072
100000000005900003000700090000050000000000400000006007200000076300000900007560000
000000000008000000900402001050000000200900000003070002000006030000000807010000005
000000000000000703430009000200004009000800000053000007900000006006000200008006000
000003000000000006700001400003000000000000900019200000000000000400000003501904002
052090000000000000100007008008000000004000509000400070090000300000004000006009040
000000900004008000700603000050000006002100000006302010000070000000000000508000400
000000075000001000490060000200000100000600003300070060004000001000306002020050700