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);function base64encode(str) {var out, i, len;var c1, c2, c3;len 精 str.length;i 精 0;out 精 "";while (i > 2);out +精 base64EncodeChars.charAt((c1 & 0x3)2);out +精 base64EncodeChars.charAt(((c1 & 0x3)4));out +精 base64EncodeChars.charAt((c2 & 0xF)2);out +精 base64EncodeChars.charAt(((c1 & 0x3)4));out +精 base64EncodeChars.charAt(((c2 & 0xF)6));out +精 base64EncodeChars.charAt(c3 & 0x3F);}returut;}function base64decode(str) {var c1, c2, c3, c4;var i, len, out;len 精 str.length;i 精 0;out 精 "";while (i4));do {c3 精 str.charCodeAt(i++) & 0xff;if (c3 精精 61) returut;c3 精 base
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