import random

def generate(length):
    # Generated from here (https://unicode-table.com/en/blocks/) with this vaguely horrible snippet:
    # Array.from(document.querySelectorAll("span.range")).map(node => node.textContent.split("—").map(x => x.trim())).map(([x, y]) => `        (0x${x}, 0x${y}),`).join("\n")
    include_ranges = [
        (0x0000, 0x001F),
        (0x0020, 0x007F),
        (0x0080, 0x00FF),
        (0x0100, 0x017F),
        (0x0180, 0x024F),
        (0x0250, 0x02AF),
        (0x02B0, 0x02FF),
        (0x0300, 0x036F),
        (0x0370, 0x03FF),
        (0x0400, 0x04FF),
        (0x0500, 0x052F),
        (0x0530, 0x058F),
        (0x0590, 0x05FF),
        (0x0600, 0x06FF),
        (0x0700, 0x074F),
        (0x0750, 0x077F),
        (0x0780, 0x07BF),
        (0x07C0, 0x07FF),
        (0x0800, 0x083F),
        (0x0840, 0x085F),
        (0x0860, 0x086F),
        (0x08A0, 0x08FF),
        (0x0900, 0x097F),
        (0x0980, 0x09FF),
        (0x0A00, 0x0A7F),
        (0x0A80, 0x0AFF),
        (0x0B00, 0x0B7F),
        (0x0B80, 0x0BFF),
        (0x0C00, 0x0C7F),
        (0x0C80, 0x0CFF),
        (0x0D00, 0x0D7F),
        (0x0D80, 0x0DFF),
        (0x0E00, 0x0E7F),
        (0x0E80, 0x0EFF),
        (0x0F00, 0x0FFF),
        (0x1000, 0x109F),
        (0x10A0, 0x10FF),
        (0x1100, 0x11FF),
        (0x1200, 0x137F),
        (0x1380, 0x139F),
        (0x13A0, 0x13FF),
        (0x1400, 0x167F),
        (0x1680, 0x169F),
        (0x16A0, 0x16FF),
        (0x1700, 0x171F),
        (0x1720, 0x173F),
        (0x1740, 0x175F),
        (0x1760, 0x177F),
        (0x1780, 0x17FF),
        (0x1800, 0x18AF),
        (0x18B0, 0x18FF),
        (0x1900, 0x194F),
        (0x1950, 0x197F),
        (0x1980, 0x19DF),
        (0x19E0, 0x19FF),
        (0x1A00, 0x1A1F),
        (0x1A20, 0x1AAF),
        (0x1AB0, 0x1AFF),
        (0x1B00, 0x1B7F),
        (0x1B80, 0x1BBF),
        (0x1BC0, 0x1BFF),
        (0x1C00, 0x1C4F),
        (0x1C50, 0x1C7F),
        (0x1C80, 0x1C8F),
        (0x1CC0, 0x1CCF),
        (0x1CD0, 0x1CFF),
        (0x1D00, 0x1D7F),
        (0x1D80, 0x1DBF),
        (0x1DC0, 0x1DFF),
        (0x1E00, 0x1EFF),
        (0x1F00, 0x1FFF),
        (0x2000, 0x206F),
        (0x2070, 0x209F),
        (0x20A0, 0x20CF),
        (0x20D0, 0x20FF),
        (0x2100, 0x214F),
        (0x2150, 0x218F),
        (0x2190, 0x21FF),
        (0x2200, 0x22FF),
        (0x2300, 0x23FF),
        (0x2400, 0x243F),
        (0x2440, 0x245F),
        (0x2460, 0x24FF),
        (0x2500, 0x257F),
        (0x2580, 0x259F),
        (0x25A0, 0x25FF),
        (0x2600, 0x26FF),
        (0x2700, 0x27BF),
        (0x27C0, 0x27EF),
        (0x27F0, 0x27FF),
        (0x2800, 0x28FF),
        (0x2900, 0x297F),
        (0x2980, 0x29FF),
        (0x2A00, 0x2AFF),
        (0x2B00, 0x2BFF),
        (0x2C00, 0x2C5F),
        (0x2C60, 0x2C7F),
        (0x2C80, 0x2CFF),
        (0x2D00, 0x2D2F),
        (0x2D30, 0x2D7F),
        (0x2D80, 0x2DDF),
        (0x2DE0, 0x2DFF),
        (0x2E00, 0x2E7F),
        (0x2E80, 0x2EFF),
        (0x2F00, 0x2FDF),
        (0x2FF0, 0x2FFF),
        (0x3000, 0x303F),
        (0x3040, 0x309F),
        (0x30A0, 0x30FF),
        (0x3100, 0x312F),
        (0x3130, 0x318F),
        (0x3190, 0x319F),
        (0x31A0, 0x31BF),
        (0x31C0, 0x31EF),
        (0x31F0, 0x31FF),
        (0x3200, 0x32FF),
        (0x3300, 0x33FF),
        (0x3400, 0x4DBF),
        (0x4DC0, 0x4DFF),
        (0x4E00, 0x9FFF),
        (0xA000, 0xA48F),
        (0xA490, 0xA4CF),
        (0xA4D0, 0xA4FF),
        (0xA500, 0xA63F),
        (0xA640, 0xA69F),
        (0xA6A0, 0xA6FF),
        (0xA700, 0xA71F),
        (0xA720, 0xA7FF),
        (0xA800, 0xA82F),
        (0xA830, 0xA83F),
        (0xA840, 0xA87F),
        (0xA880, 0xA8DF),
        (0xA8E0, 0xA8FF),
        (0xA900, 0xA92F),
        (0xA930, 0xA95F),
        (0xA960, 0xA97F),
        (0xA980, 0xA9DF),
        (0xA9E0, 0xA9FF),
        (0xAA00, 0xAA5F),
        (0xAA60, 0xAA7F),
        (0xAA80, 0xAADF),
        (0xAAE0, 0xAAFF),
        (0xAB00, 0xAB2F),
        (0xAB30, 0xAB6F),
        (0xAB70, 0xABBF),
        (0xABC0, 0xABFF),
        (0xAC00, 0xD7AF),
        (0xD7B0, 0xD7FF),
        (0xD800, 0xDB7F),
        (0xDB80, 0xDBFF),
        (0xDC00, 0xDFFF),
        (0xE000, 0xF8FF),
        (0xF900, 0xFAFF),
        (0xFB00, 0xFB4F),
        (0xFB50, 0xFDFF),
        (0xFE00, 0xFE0F),
        (0xFE10, 0xFE1F),
        (0xFE20, 0xFE2F),
        (0xFE30, 0xFE4F),
        (0xFE50, 0xFE6F),
        (0xFE70, 0xFEFF),
        (0xFF00, 0xFFEF),
        (0xFFF0, 0xFFFF),
        (0x10000, 0x1007F),
        (0x10080, 0x100FF),
        (0x10100, 0x1013F),
        (0x10140, 0x1018F),
        (0x10190, 0x101CF),
        (0x101D0, 0x101FF),
        (0x10280, 0x1029F),
        (0x102A0, 0x102DF),
        (0x102E0, 0x102FF),
        (0x10300, 0x1032F),
        (0x10330, 0x1034F),
        (0x10350, 0x1037F),
        (0x10380, 0x1039F),
        (0x103A0, 0x103DF),
        (0x10400, 0x1044F),
        (0x10450, 0x1047F),
        (0x10480, 0x104AF),
        (0x104B0, 0x104FF),
        (0x10500, 0x1052F),
        (0x10530, 0x1056F),
        (0x10600, 0x1077F),
        (0x10800, 0x1083F),
        (0x10840, 0x1085F),
        (0x10860, 0x1087F),
        (0x10880, 0x108AF),
        (0x108E0, 0x108FF),
        (0x10900, 0x1091F),
        (0x10920, 0x1093F),
        (0x10980, 0x1099F),
        (0x109A0, 0x109FF),
        (0x10A00, 0x10A5F),
        (0x10A60, 0x10A7F),
        (0x10A80, 0x10A9F),
        (0x10AC0, 0x10AFF),
        (0x10B00, 0x10B3F),
        (0x10B40, 0x10B5F),
        (0x10B60, 0x10B7F),
        (0x10B80, 0x10BAF),
        (0x10C00, 0x10C4F),
        (0x10C80, 0x10CFF),
        (0x10E60, 0x10E7F),
        (0x11000, 0x1107F),
        (0x11080, 0x110CF),
        (0x110D0, 0x110FF),
        (0x11100, 0x1114F),
        (0x11150, 0x1117F),
        (0x11180, 0x111DF),
        (0x111E0, 0x111FF),
        (0x11200, 0x1124F),
        (0x11280, 0x112AF),
        (0x112B0, 0x112FF),
        (0x11300, 0x1137F),
        (0x11400, 0x1147F),
        (0x11480, 0x114DF),
        (0x11580, 0x115FF),
        (0x11600, 0x1165F),
        (0x11660, 0x1167F),
        (0x11680, 0x116CF),
        (0x11700, 0x1173F),
        (0x118A0, 0x118FF),
        (0x11A00, 0x11A4F),
        (0x11A50, 0x11AAF),
        (0x11AC0, 0x11AFF),
        (0x11C00, 0x11C6F),
        (0x11C70, 0x11CBF),
        (0x11D00, 0x11D5F),
        (0x12000, 0x123FF),
        (0x12400, 0x1247F),
        (0x12480, 0x1254F),
        (0x13000, 0x1342F),
        (0x14400, 0x1467F),
        (0x16800, 0x16A3F),
        (0x16A40, 0x16A6F),
        (0x16AD0, 0x16AFF),
        (0x16B00, 0x16B8F),
        (0x16F00, 0x16F9F),
        (0x16FE0, 0x16FFF),
        (0x17000, 0x187FF),
        (0x18800, 0x18AFF),
        (0x1B000, 0x1B0FF),
        (0x1B100, 0x1B12F),
        (0x1B170, 0x1B2FF),
        (0x1BC00, 0x1BC9F),
        (0x1BCA0, 0x1BCAF),
        (0x1D000, 0x1D0FF),
        (0x1D100, 0x1D1FF),
        (0x1D200, 0x1D24F),
        (0x1D300, 0x1D35F),
        (0x1D360, 0x1D37F),
        (0x1D400, 0x1D7FF),
        (0x1D800, 0x1DAAF),
        (0x1E000, 0x1E02F),
        (0x1E800, 0x1E8DF),
        (0x1E900, 0x1E95F),
        (0x1EE00, 0x1EEFF),
        (0x1F000, 0x1F02F),
        (0x1F030, 0x1F09F),
        (0x1F0A0, 0x1F0FF),
        (0x1F100, 0x1F1FF),
        (0x1F200, 0x1F2FF),
        (0x1F300, 0x1F5FF),
        (0x1F600, 0x1F64F),
        (0x1F650, 0x1F67F),
        (0x1F680, 0x1F6FF),
        (0x1F700, 0x1F77F),
        (0x1F780, 0x1F7FF),
        (0x1F800, 0x1F8FF),
        (0x1F900, 0x1F9FF),
        (0x20000, 0x2A6DF),
        (0x2A700, 0x2B73F),
        (0x2B740, 0x2B81F),
        (0x2B820, 0x2CEAF),
        (0x2CEB0, 0x2EBEF),
        (0x2F800, 0x2FA1F),
        (0xE0000, 0xE007F),
        (0xE0100, 0xE01EF),
    ]

    alphabet = [
        chr(code_point) for current_range in include_ranges
            for code_point in range(current_range[0], current_range[1] + 1)
    ]
    return ''.join(random.choice(alphabet) for i in range(length))