Sudoku Players' Forum (clone)

by **m_b_metcalf** » Tue Mar 14, 2023 6:36 am

Code: Select all: . 1 . . . . . 2 . . 3 . . . . . 1 . . 4 . . . . . 5 . . 6 1 . . . 7 8 . . . 9 . . . 3 . . . . 3 5 . 6 9 . . . . . 7 . 9 . . . . . . 3 . 8 . . . . . . . 2 . . . . For pat . 1 . . . . . 2 . . 3 . . . . . 1 . . 4 . . . . . 5 . . 6 1 . . . 7 8 . . . 9 . . . 3 . . . . 3 8 . 7 9 . . . . . 9 . 2 . . . . . . 3 . 8 . . . . . . . 1 . . . . hard . 1 . . . . . 2 . . 3 . . . . . 1 . . 4 . . . . . 5 . . 6 1 . . . 2 7 . . . 7 . . . 3 . . . . 3 7 . 8 9 . . . . . 2 . 6 . . . . . . 3 . 7 . . . . . . . 1 . . . . extremely hard

by **Leren** » Tue Mar 14, 2023 7:07 am

Extremely Hard was well named. Leren

by **m_b_metcalf** » Tue Mar 14, 2023 11:05 am

I only now realise that a cleaner V-pattern with only 17 clues is possible. Here are two samples from a first run:

Code: Select all: . 1 . . . . . 2 . . 3 . . . . . 4 . . 5 . . . . . 1 . . . 6 . . . 7 . . . . 2 . . . 3 . . . . 3 . . . 8 . . . . . 8 . 6 . . . . . . 3 . 2 . . . . . . . 4 . . . . moerate . 1 . . . . . 2 . . 3 . . . . . 4 . . 5 . . . . . 1 . . . 4 . . . 6 . . . . 7 . . . 3 . . . . 3 . . . 8 . . . . . 8 . 9 . . . . . . 3 . 2 . . . . . . . 4 . . . . very hard

Watch this space!

by **Pat** » Tue Mar 14, 2023 11:42 am

m_b_metcalf wrote:
Code: Select all
. 1 . . . . . 2 . . 3 . . . . . 1 . . 4 . . . . . 5 . . 6 1 . . . 7 8 . . . 9 . . . 3 . . . . 3 5 . 6 9 . . . . . 7 . 9 . . . . . . 3 . 8 . . . . . . . 2 . . . . For pat

thanks!

by **Hajime** » Tue Mar 14, 2023 2:48 pm

Hmmm, lots of pearls

Hidden Text: Show

Code: Select all: .5.....2..3.....6..4.....5..64...27...7...3....37.89.....2.6......5.7.......1.... ED=2.9/2.9/2.6 .9.....3..3.....1..4.....5..65...27...7...3....37.89.....2.6......8.7.......1.... ED=6.6/6.6/2.6 .9.....2..3.....6..4.....5..61...27...7...3....37.89.....5.6......3.7.......1.... ED=7.1/7.1/2.6 .8.....2..5.....1..4.....5..69...27...7...3....57.89.....2.6......3.7.......1.... ED=7.2/7.2/2.6 .9.....6..3.....1..4.....5..61...57...7...3....37.89.....2.6......3.7.......8.... ED=7.3/7.3/2.6 .5.....9..3.....1..4.....5..68...27...9...3....37.89.....2.6......3.7.......1.... ED=7.6/7.6/2.6 .5.....9..3.....1..4.....5..91...27...7...3....37.89.....2.6......3.7.......4.... ED=7.7/7.7/2.6 .8.....4..3.....1..4.....2..61...27...7...3....37.89.....2.6......3.7.......9.... ED=7.8/7.8/2.6 .6.....2..3.....1..4.....5..91...27...7...3....37.89.....2.6......3.7.......4.... ED=8.2/8.2/2.6 .9.....6..3.....1..4.....2..61...27...7...3....37.89.....2.6......3.7.......5.... ED=8.3/8.3/2.6 .9.....4..3.....2..4.....5..61...27...7...3....37.89.....2.6......3.7.......1.... ED=8.4/8.4/2.6 .8.....6..3.....9..4.....5..61...27...7...3....37.89.....5.6......3.7.......1.... ED=8.5/8.5/2.6 .9.....6..3.....9..8.....5..61...27...7...3....37.89.....2.6......3.7.......1.... ED=8.6/8.6/2.6 .9.....2..3.....8..4.....5..21...57...7...3....37.89.....2.6......3.7.......1.... ED=8.7/8.7/2.6 .8.....4..3.....9..4.....5..61...27...7...3....37.89.....2.6......3.7.......1.... ED=8.8/8.8/2.6 .8.....9..3.....6..4.....5..61...27...9...3....37.89.....2.6......3.7.......1.... ED=8.9/8.9/2.6 .9.....8..3.....1..4.....9..61...27...7...3....37.89.....2.6......3.7.......5.... ED=9.0/9.0/2.6 .9.....2..3.....4..4.....5..61...27...4...3....37.89.....2.6......3.7.......1.... ED=9.1/9.1/2.6 .9.....2..3.....1..4.....5..64...27...7...3....37.89.....2.6......3.7.......1.... ED=9.2/9.2/2.6 .8.....2..3.....1..4.....5..69...27...7...3....37.89.....2.6......3.7.......1.... ED=9.3/9.3/2.6 .5.....9..3.....1..4.....2..65...27...7...3....37.89.....2.6......3.7.......1.... ED=9.4/9.4/2.6 .8.....9..3.....1..4.....2..61...27...7...3....37.89.....2.6......3.7.......5.... ED=9.5/9.5/2.6 .1.....2..3.....4..4.....5..68...27...4...3....37.89.....2.6......3.7.......1.... ED=9.6/9.6/2.6 .9.....2..3.....1..4.....5..68...27...7...3....37.89.....2.6......3.7.......1.... ED=9.8/9.8/2.6 .8.....9..3.....2..4.....5..91...27...7...3....37.89.....2.6......3.7.......1.... ED=9.9/9.9/2.6 .8.....2..3.....9..4.....5..61...27...7...4....37.19.....2.6......3.7.......1.... ED=10.0/10.0/2.6 .1.....9..3.....2..4.....5..61...27...7...3....37.89.....2.6......3.7.......5.... ED=10.4/10.4/2.6

by **m_b_metcalf** » Tue Mar 14, 2023 3:50 pm

m_b_metcalf wrote:I only now realise that a cleaner V-pattern with only 17 clues is possible. Here are two samples from a first run:

[snip]
Watch this space!

Code: Select all: . 1 . . . . . 2 . . 3 . . . . . 1 . . 4 . . . . . 5 . . . 1 . . . 6 . . . . 7 . . . 3 . . . . 5 . . . 8 . . . . . 8 . 4 . . . . . . 3 . 7 . . . . . . . 1 . . . . A big Pearl

... and brilliant Hajime"

by **Hajime** » Tue Mar 14, 2023 5:40 pm

About the "new" V puzzle with 17 givens, here 16 pearls

Hidden Text: Show

For Pat:

Hidden Text: Show

Code: Select all: .7.....1..8.....2..4.....5...1...6....6...3....5...8.....8.4......3.7.......1.... ED=2.5/1.5/1.5 .4.....9..8.....7..7.....5...1...6....7...3....5...8.....8.4......3.7.......1.... ED=2.6/1.2/1.2 .6.....7..9.....1..2.....5...1...6....7...3....5...8.....8.4......3.7.......1.... ED=2.6/1.5/1.5 .4.....7..3.....2..8.....5...1...6....7...3....5...8.....8.4......3.7.......1.... ED=2.6/2.0/2.0 .3.....4..2.....7..8.....5...1...6....7...3....5...8.....8.4......3.7.......1.... ED=2.6/2.6/2.6 .3.....1..9.....4..1.....5...1...6....7...3....5...8.....8.4......3.7.......1.... ED=2.8/1.5/1.5 .3.....4..6.....9..4.....5...1...6....7...3....5...8.....8.4......3.7.......1.... ED=2.8/2.0/2.0 .3.....2..7.....1..4.....5...9...6....7...3....5...8.....8.4......3.7.......1.... ED=2.8/2.6/2.6 .2.....4..3.....7..4.....5...1...6....8...3....5...8.....8.4......3.7.......1.... ED=2.8/2.8/2.6 .6.....7..3.....2..4.....3...1...6....7...3....5...8.....8.4......3.7.......1.... ED=2.9/1.2/1.2 .9.....2..5.....1..3.....5...1...6....7...3....5...8.....8.4......3.7.......1.... ED=2.9/1.5/1.5 .3.....4..5.....9..4.....5...8...6....7...3....5...8.....8.4......3.7.......1.... ED=2.9/2.0/2.0 .6.....2..9.....7..4.....5...1...6....7...3....5...8.....8.4......3.7.......1.... ED=2.9/2.6/2.6 .5.....2..3.....7..4.....5...1...6....7...3....4...8.....8.4......3.7.......1.... ED=2.9/2.9/2.6 .6.....2..9.....1..4.....5...1...6....7...3....6...8.....8.4......3.7.......1.... ED=3.0/1.5/1.5 .4.....1..2.....9..8.....5...1...6....7...3....5...8.....8.4......3.7.......1.... ED=3.0/2.0/2.0 .3.....9..9.....8..2.....5...1...6....7...3....5...8.....8.4......3.7.......1.... ED=3.0/2.6/2.6 .4.....1..6.....2..1.....5...1...6....7...3....5...8.....8.4......3.7.......1.... ED=3.2/1.5/1.5 .3.....9..4.....3..6.....5...1...6....7...3....5...8.....8.4......3.7.......1.... ED=3.4/1.5/1.5 .9.....4..2.....7..4.....5...3...6....7...3....5...8.....8.4......3.7.......1.... ED=3.4/2.0/2.0 .6.....9..4.....7..2.....5...1...6....7...3....5...8.....8.4......3.7.......1.... ED=3.4/2.6/2.6 .1.....3..5.....9..4.....5...1...6....7...4....5...8.....8.4......3.7.......1.... ED=3.6/2.0/2.0 .3.....1..9.....8..2.....5...1...6....7...3....5...8.....8.4......3.7.......1.... ED=3.6/2.6/2.6

by **Hajime** » Wed Mar 15, 2023 6:06 am

And 2 late at night pearls

Code: Select all: .2.....8..3.....7..4.....5...1...6....2...3....5...8.....8.4......6.7.......1.... ED=10.7/10.7/2.6 .7.....9..3.....8..4.....1...1...6....4...3....5...8.....8.4......3.7.......1.... ED=10.6/10.6/2.6

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