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The Laboratory

Every equidistant letter sequence in the Westminster Leningrad Codex, counted exactly, with what chance alone would produce beside every count, and every letter linked to its verse.

Hebrew letters (2–12 per term, up to six terms; a space between words makes separate terms), or an English word to choose its Hebrew spelling.

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בראשיבראאלהיםךעלפניתהםורוחאלהיהיאורויאאלהיםאתךויקראאליםלאוריוויאמראלהיםיהירקיעהיםאתהרקיעויבדלביקיעויהיכןויקראאלהאמראלהיםיקווהמיםמויקראאלהיםליבשהאריאמראלהיםתדשאהארץתורה
The opening letters of Genesis, 50 to a row, read right to left. Every 50th letter spells תורה.

Search the letters themselves

Type a Hebrew word, or an English one, and the laboratory finds every place its letters stand at an equal distance apart, in the Torah, the whole Tanakh, one book, one parsha or a range of chapters, and shows what chance alone would give beside every count.

Start with a classic, checked on the Leningrad Codex

How this works

What chance would give

Beside every count stands the number of sequences letter frequencies alone would produce in the same letters at the same skips. A large count is not a finding; a count far from chance is a place to look harder, and the controls test it.

The text we search

The Westminster Leningrad Codex: the 24 books in their traditional order, the written text (ketiv), final letters folded to their regular forms. The Torah is 304,850 letters and the Tanakh 1,197,042.

The order of results

Results start in canonical order, by the position of each sequence’s first letter. Sorting by skip, or by the shortest window holding every term, is your choice.

How the laboratory measuresWhat each control testsThe gallery of classics