Jumping Jim solvers include Joseph W. DeVincentis, Brett Spivey,
N. A. Hesse, Caines, Pepper T. Kim, Andrejj, Rodrigo Alonso Perez, Gab-F,
Tim Firman, Amit Mehta, Rozberk Omniist, Lee Kaplan, Jonathan Thwaits,
Chris Starkey, Denise Turner, Larry Baum & Paula Matthews.
Many thanks to all of these solvers.