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Sonneveld's 9 Piece Board Burr

Sonneveld 9 Piece Board Burr Design and Copyright : Dic Sonneveld.

A#001FFFF B#001FFFF C#001FFFF
D#000FFFF E#000FFFF F#000FFFF
G#0007FFF H#0007FFF I#0007FFF
Pieces 9 A-C, D-F, G-I are congruent.
Selection random
Goal 7×7×7
Holes 36
Solutions 1 / 286,752
Moves 3.3.4.1.1.2.3
thankful to Lars Christensen
May 12, 2002 by k16@chiba.email.ne.jp