Goal
The goal of both Numbrosia and Numbrosia 2 puzzles is to turn all the numbers in a 5x5 grid to zeros in as few moves as you can.
Moves
There are two kinds of moves: rotation moves and math moves.
In Numbrosia, rotation moves allow you to rotate a row left/right or a column up/down while
math moves allow you to add one to a row/column or subtract one from a row/column.
In Numbrosia 2, rotation and math moves work similarly but they do not necessarily operate on entire rows/columns.
Specifically, each puzzle has 5 black blocks that cannot be part of any rotation or math move.
Rotation and math moves operate on maximal row/column segments of length 2-5 that do not include any black blocks.
Scoring
In both Numbrosia and Numbrosia 2, your score for a given puzzle is determined from the number of moves you used to solve it. Specifically, the score is calculated by dividing the world record move count by your personal best move count for that puzzle.
If you tie or beat the world record, a perfect score of 100% will be given for that puzzle.
Both Numbrosia and Numbrosia 2 come with 1000 puzzles that you can redo over and over again to improve your scores.
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