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## Discussion...

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## ... by: Vinny & Manny

We'd be grateful for restoration of the Print Version page . . . :-(

## ... by: Frans Goosens

With trial and error

Combination A3=678 and I8=145

************************************************************
A3=6 I8=1 No solution, Fixed

## ... by: Frans Goosens

Combination 2-digits cells

D6=7 No solution, Undo calculation
D6=9 Wrong, Undo calculation
D6=7 No solution, Fixed
B3=6 Wrong, Undo calculation
B3=8 Wrong, Undo calculation

All reset to initial position

************************************************************
A3=7 I8=4 No solution, Fixed

Combination 2-digits cells

D6=7 Wrong, Undo calculation
D6=9 Wrong, Undo calculation

All reset to initial position

************************************************************
A3=7 I8=5 No solution, Fixed

Combination 2-digits cells

D6=7 No solution, Undo calculation
D6=9 No solution, Undo calculation
H7=4 No solution, Undo calculation
H7=8 No solution, Undo calculation
I7=4 Wrong, Undo calculation
I7=7 No solution, Fixed

All reset to initial position

************************************************************
A3=8 I8=1 No solution, Fixed

Combination 2-digits cells

D6=7 Wrong, Undo calculation
D6=9 Wrong, Undo calculation

All reset to initial position

************************************************************
A3=8 I8=4 No solution, Fixed

Combination 2-digits cells

C5=4 Wrong, Undo calculation
C5=9 Wrong, Undo calculation

All reset to initial position

************************************************************
A3=8 I8=5 No solution, Fixed

Combination 2-digits cells

D6=7 No solution, Undo calculation
D6=9 No solution, Undo calculation
H7=4 Wrong, Undo calculation
H7=8 ( D6=9 ) Solved,

#448--------------------------Solution
120 030 000-------------128 937 645
400 001 020-------------496 851 723
005 200 100-------------375 246 189

500 400 200-------------537 489 261
000 060 070-------------981 562 374
000 003 008-------------264 713 598

050 000 900-------------853 624 917
009 070 030-------------649 175 832
000 008 006-------------712 398 456

Total solving time is : 666 sec.
Number of logical steps is : 63123

## ... by: James Havard

Middle box row 726 subs and 809 seconds 11 subs to get a solution. Bottom box row 151 subs and 202 seconds and 13 subs to get a solution. Picking and choosing from these solution subs found two together for a singles solution. F2=6 J7=4.

## Archive

Each week a new 'unsolvable' will be published and the previous will be accessible here from this archive section. If you like very tough puzzles, these are for you.
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