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120 11 MULTIDIMENSIONAL EXPANSION OF THE ALGORYTHMICS...

(b)

BACKTRACK

Figure 11.4. Key momentums from the Four queens AlgoRythmics
choreography: (a) introductory dance; (b) non-attacking scene; (c) queen 3 is
going to come back from the “hibernation mode” (queen 4 is dead on cell [4]

[5]); (d) attacking scene; (e) first solution; (f) four-queen “victory dance”