There are three difficulties to choose from.
All three puzzles have the same solution.A) Novice.
B) Apprentice (mainstream edition) [26 Intersections, 5 Naked Pairs, 2 Naked Triplets, 2 Naked Quads].
C) Master (70 Intersections,
15 Naked Pairs, 7 Naked Triplets, 2 Naked Quads, 1 Hidden Pair,
2 Skyscrapers: one in g5 and one in g8).
Select to view GRID numbers.Regular Clueless Special #16A (Novice)Rating based on required solving techniques: Moderate
000080001001000000063049500008000000000000020300000000010000045040000207000072000
020000510000000200060012000000000000500000000408000000070000000200001004900840620
000000560000820400807400000000000085698000000000000600000000020300064000250008307
000006000000470500053000400000000000500000006100000040004000001809230000000908020
010050000000000060509000800005000000060000380000000040006008007000700000702004930
006010009000000008000087020008000730090000500600000080300000010500103004020009003
060000002500040000007209081306000000070000008000000070050020010000905000600004003
000000020000720904900006001000000007600000000504000800060800010103040050050009000
024070000500090040010060300100000009000000502098000000040000070900700130070340000
Regular Clueless Special #16B (Apprentice)Rating based on required solving techniques: Definitely Hard
000080091001000000063049500008000400000000023300000000010000045040000207000472000
020000510000005200060012000000000340500000060408000000070000005200001004900840620
000000568000820400807400000000000085698000000000000600000000020300064000250008307
000006200000470500053000400900000000500000006100000040004000091809230000000908020
010050000000900060509000800025000000060000300000000040006008007000700000702004930
086010009000000008000087020008000730090000500600000080300000010500103004020009003
060000002500040000007209081306000400070000108000000070050020010000905000690004003
000000020000720904900006001000000047600000000504000800060800410103040050050009000
024170050500090040010060300100000009000000502008000000040000270900700130070340000
Regular Clueless Special #16C (Master)Rating based on required solving techniques: Extra Hard
000080001001000000063049500008000000000000023300000000010000045040000207000072000
020000510000000200060012000000000040500000000408000000070000005200001004900840620
000000560000820400807400000000000085698000000000000600000000020300064000250008307
000006000000470500053000400000000000500000006100000040004000001809230000000908020
010050000000000060509000800020000000060000380000000040006008007000700000702004930
006010009000000000000087020008000730090000500600000080300000010500103004020009003
060000002500040000007209081306000400070000008000000070050020010000905000600004003
000000020000720904900006001000000047600000000504000800060800010103040050050009000
024000000500090040010060300000000009000000502008000000040000000900700130070340000
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