Difference between revisions of "Loop"
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Latest revision as of 00:20, 1 June 2020
A loop is a cyclic pattern of linked cells or candidates.
Loops are usually represented by chains, where the first and the last cell are the same. Like a chain, implications in a loop can either travel in a single direction or in both directions. A bidirectional loop is better known as a Nice Loop.
Examples of loops are:
Notation systems are similar to chain notation, with Nice Loop notation especially designed for loops.
