, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 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
