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certain improbability, 2011
ribbon situation I-III,
3 moves 33 steps
Noord-Holland genome,
2006 - 2011
4 moves: north, south,
Each move of the Noord-
Holland genome describes
one of the four corners of the
Dutch province Noord-Holland.
The development of the pieces
is based on the longitude and
latitude of these points.
opuntia series
certain line OPU, 2007
8 moves /1 to 8 steps
OPUfor klaus, 2007
1move/ 7 steps
RAS 13 green, 2011
1 move,/ 13 steps
unlimited line, 2006
8 different movess
move nr.10
move nr.18
certain improbability, 2006
1 move, 9 steps
2 move, 32 steps
3 move, 59 steps
continuous line, 2006
over edge
3 steps 36 moves
continuous line 180, 2002
180 steps 8 moves
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