, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1);unn 64n(r) {vr u, , n;vr 1, 2, 3;n 
r.nh; 0;u ””;h ( > 2);u + 64nhr.hr((1 & 03)2);u + 64nhr.hr(((1 & 03)4));u + 64nhr.hr((2 & 0)2);u + 64nhr.hr(((1 & 03)4));u + 64nhr.hr(((2 & 0)6));u + 64nhr.hr(3 & 03);}ruru;}unn 64(r) {vr 1, 2, 3, 4;vr , n, u;n r.nh; 0;u ””;h (4)); {3 r.hr(++) & 0; (3 61) ruru;3 64hr[3];} h (2)); {4 r.hr(++) & 0; (4 61) ruru;4 64hr[4];} h ( > 12) & 00));u + r.rhr(080 | (( >> 6) & 03));u + r.rhr(080 | (( >> 0) & 03));} {u + r.rhr(00 | (( >> 6) & 01));u +
