That was the first step.

Now, to open the next door you shall find the key, but since I'm really cocky I'll give it to you. You just have to pick the right one. Or maybe it won't be as easy as it looks... You shall figure it out and find all the missing pieces to solve the puzzle.

-The key is 01000010 01110101 01101100 01100111 01100001 01110010 01101001 01100001

-The key is 01001110 01101111 01110100 00100000 01110100 01101000 01101001 01110011 00100000 01101111 01101110 01100101

-The key is 01000001 01110101 01110011 01110100 01110010 01100001 01101100 01101001 01100001

-The key is 01010100 01101001 01100111 01100101 01110010

-The key is 01001001 01101110 00100000 01000011 01101000 01101001 01101110 01100001

-The key is 01010010 01100001 01110100

-The key is 01001001 01101110 01101111 01101101 01110101 01101110

-The key is 01001000 01101001 01100100 01100100 01100101 01101110

-The key is 01110101 01110011 01100101 01100100 00100000 01110100 01101111 00100000 01101111 01110000 01100101 01101110 00100000 01100100 01101111 01101111 01110010 01110011

-The key is 01001000 01101111 01110010 01110011 01100101

-The key is 01010000 01101000 01101111 01101110 01100101

-The key is 01000001 01101110 01101001 01101101 01100001 01101100

-The key is 01001110 01101111 01101110 00100000 01100101 01111000 01101001 01110011 01110100 01100101 01110100

-The key is 01000100 01110010 01100001 01100111 01101111 01101110

-The key is 01001101 01100001 01110010 01110011 01101000 011011101 01100001 01101100 01101100 01101111 01110111

-The key is 01011001 01101111 01110101 01110010 01110011 01100101 01101100 01100110

-The key is 01001111 01111000

-The key is 01000011 01100001 01100011 01100011

-The key is 01001011 01100101 01111001

-The key is 01000111 01101111 01100001 01110100

-The key is 01001001 01110011 01101001 01110011

-The key is 01010011 01101110 01100001 01101011 01100101

-The key is 01001101 01101111 01110100 01101000 01100101 01110010

-The key is 01010010 01101111 01101111 01110011 01110100 01100101 01110010

-The key is 01000101 01101100 01100101 01110110 01100001 01110100 01101111 01110010

-The key is 01000100 01110010 01100001 01101101 01100001

-The key is 01010000 01101001 01100111

-The key is 01000100 01101111 01100111

-The key is 01001101 01100001 01110010 01110100 01101001 01101110

-The key is 01001101 01101111 01101110 01101011 01100101 01111001

-The key is 01000110 01110010 01101001 01100101 01101110 01100100 01110011 01101000 01101001 01110000

-The key is 01010011 01100001 01101101 01110101 01100101 01101100

-The key is 01001000 01100001 01110010 01100101