{"n": 18, "columns": ["100110000000000000", "000000100110000000", "000000000000010101", "100110100110000000", "100110000000010101", "000000100110010101", "100110100110010101", "000111000000000000", "000000000111000000", "000000000000100100", "000111000111000000", "000111000000100100", "000000000111100100", "000111000111100100", "100001000000000000", "000000100001000000", "000000000000110001", "100001100001000000", "100001000000110001", "000000100001110001", "100001100001110001", "111010000000000000", "000000111010000000", "000000000000101100", "111010111010000000", "111010000000101100", "000000111010101100", "111010111010101100", "000001000000000000", "000000000001000000", "000000000000011100", "000001000001000000", "000001000000011100", "000000000001011100", "000001000001011100", "111011000000000000", "000000111011000000", "000000000000110000", "111011111011000000", "111011000000110000", "000000111011110000", "111011111011110000", "101110000000000000", "000000101110000000", "000000000000010001", "101110101110000000", "101110000000010001", "000000101110010001", "101110101110010001", "011110000000000000", "000000011110000000", "000000000000000010", "011110011110000000", "011110000000000010", "000000011110000010", "011110011110000010", "110000000000000000", "000000110000000000", "000000000000010011", "110000110000000000", "110000000000010011", "000000110000010011", "110000110000010011", "110010000000000000", "000000110010000000", "000000000000011111", "110010110010000000", "110010000000011111", "000000110010011111", "110010110010011111", "011000000000000000", "000000011000000000", "000000000000011010", "011000011000000000", "011000000000011010", "000000011000011010", "011000011000011010", "101010000000000000", "000000101010000000", "000000000000000101", "101010101010000000", "101010000000000101", "000000101010000101", "101010101010000101", "001110000000000000", "000000001110000000", "000000000000111010", "001110001110000000", "001110000000111010", "000000001110111010", "001110001110111010", "000011000000000000", "000000000011000000", "000000000000010010", "000011000011000000", "000011000000010010", "000000000011010010", "000011000011010010", "001101000000000000", "000000001101000000", "000000000000101000", "001101001101000000", "001101000000101000", "000000001101101000", "001101001101101000"]}