Plan 9 from Bell Labs’s /usr/web/sources/patch/sorry/mousemap/mouse
0 29 63745 0 56 63748 0 59 63745 0 60 63746 0 61 63748 1 29 63745 1 59 63745 1 60 63746 1 61 63748 2 29 63745 2 91 63746 3 29 63745 4 29 63745