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Toy example for counting components. A read of length L = 7 with M = 2 errors is shown, with errors in red. In general, M errors splits the read into M + 1 parts, some of which may be null; in this case, the third part is null. For anchor length threshold K = 3 (meaning parts of size >3 are anchors, parts of size ≤3 are not), we have N = 1 anchor (the first part).
