{"n": 15, "columns": ["100010101001000", "100011011101000", "100010001001001", "100011011101001", "011100001001001", "011101011101001", "001001011101000", "011101011100001", "001000101001000", "001001011100001", "011100001001010", "000000101101010", "011100101100001", "010010001001010", "010010111001010", "010010101100001", "010010101110110", "000000101110000", "000100101110110", "000101000001010", "001000101010000", "001001101010000", "101000100010000", "001001101000001", "101001101000100", "000100111001010", "000000100010000", "000100111010110", "100001101000001", "100001101000100", "000100101010000", "000100101110000", "100010101000000", "000101000000000", "010010111000001", "100000111000100", "010010000010110", "101000100000100", "100000111000001", "000000100010110", "010000100000100", "010000111000101", "000100101000000", "010000001010110", "010010001000101", "000001000001010", "000000111010110", "010010000000101", "100010001010110", "011100101101010", "100010000000000", "010000100010110", "101001101010000", "010000001000101", "000001000000000", "100010000010110", "010000111000100", "000000000000101", "000000111000101"]}