Several of my T-shirts feature this design: https://www.ioccc.org/2012/tromp/tromp.c https://www.ioccc.org/2012/tromp/tromp.c On the back I put the 232-bit BL

Several of my T-shirts feature this design: https://www.ioccc.org/2012/tromp/tromp.c https://www.ioccc.org/2012/tromp/tromp.c On the back I put the 232-bit BLC version [1]. For math designs, it's hard to beat https://i.redd.it/as5zgrv494l81.png https://i.redd.it/as5zgrv494l81.png [1] https://www.ioccc.org/2012/tromp/hint.html https://www.ioccc.org/2012/tromp/hint.html