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Sudoku is a number puzzle where a grid of 81 digits (9x9) is filled by the digits 1-9 such that no row, column, or 3x3 subregion contains duplicate digits.

Write a program that given an incomplete Sudoku board as 9 arguments of 9 digits, with blanks respresented by an underscore, print a solved Sudoku grid using unicode box-drawing characters like so:

┏━━━┯━━━┯━━━â”ŗ━━━┯━━━┯━━━â”ŗ━━━┯━━━┯━━━┓
┃ 2 │ 5 │ 8 ┃ 4 │ 1 │ 7 ┃ 6 │ 9 │ 3 ┃
┠───â”ŧ───â”ŧ───╂───â”ŧ───â”ŧ───╂───â”ŧ───â”ŧ───┨
┃ 6 │ 1 │ 7 ┃ 9 │ 2 │ 3 ┃ 8 │ 5 │ 4 ┃
┠───â”ŧ───â”ŧ───╂───â”ŧ───â”ŧ───╂───â”ŧ───â”ŧ───┨
┃ 9 │ 3 │ 4 ┃ 8 │ 6 │ 5 ┃ 1 │ 7 │ 2 ┃
â”Ŗ━━━â”ŋ━━━â”ŋ━━━╋━━━â”ŋ━━━â”ŋ━━━╋━━━â”ŋ━━━â”ŋ━━━â”Ģ
┃ 3 │ 2 │ 5 ┃ 7 │ 8 │ 1 ┃ 4 │ 6 │ 9 ┃
┠───â”ŧ───â”ŧ───╂───â”ŧ───â”ŧ───╂───â”ŧ───â”ŧ───┨
┃ 8 │ 9 │ 6 ┃ 3 │ 5 │ 4 ┃ 2 │ 1 │ 7 ┃
┠───â”ŧ───â”ŧ───╂───â”ŧ───â”ŧ───╂───â”ŧ───â”ŧ───┨
┃ 7 │ 4 │ 1 ┃ 6 │ 9 │ 2 ┃ 5 │ 3 │ 8 ┃
â”Ŗ━━━â”ŋ━━━â”ŋ━━━╋━━━â”ŋ━━━â”ŋ━━━╋━━━â”ŋ━━━â”ŋ━━━â”Ģ
┃ 4 │ 6 │ 9 ┃ 1 │ 3 │ 8 ┃ 7 │ 2 │ 5 ┃
┠───â”ŧ───â”ŧ───╂───â”ŧ───â”ŧ───╂───â”ŧ───â”ŧ───┨
┃ 5 │ 7 │ 3 ┃ 2 │ 4 │ 6 ┃ 9 │ 8 │ 1 ┃
┠───â”ŧ───â”ŧ───╂───â”ŧ───â”ŧ───╂───â”ŧ───â”ŧ───┨
┃ 1 │ 8 │ 2 ┃ 5 │ 7 │ 9 ┃ 3 │ 4 │ 6 ┃
┗━━━┷━━━┷━━━â”ģ━━━┷━━━┷━━━â”ģ━━━┷━━━┷━━━┛
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arguments holds ARGV, print() to output with a newline, write() to output without a newline.
say() is available without any import.
SELECT arg FROM argv to access ARGV. Only the first column of each row will be printed, and each on a newline. The dialect is SQLite.
ctrl + enter or Run