Which preposition to use with zagged

in Occurrences 1%

The tubes should all be kept in the same vertical line, so as to permit the introduction of an instrument to scrape them; but they may be zig-zagged in the horizontal line, whereby a greater strength of metal will be obtained around the holes in the tube plates, and the tubes should not be placed too close together, else their heating efficacy will be impaired.

through Occurrences 1%

While sitting there alone, another wandering thought zig-zagged through John's brain.

Which preposition to use with  zagged