A pebbling move on a graph G consists of taking two pebbles off from a vertex and placing one pebble on an adjacent vertex.
摘要
图上进行小石
移动步骤为从一
上取走两小石，
它某
上放一小石。
A pebbling move on a graph G consists of taking two pebbles off from a vertex and placing one pebble on an adjacent vertex.
摘要图上进行小石移动步骤为从一上取走两小石，它某上放一小石。
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