SHA256 (a) = b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
SHA256 (b) = 7d865e959b2466918c9863afca942d0fb89d7c9ac0c99bafc3749504ded97730
SHA256 (c) = bf07a7fbb825fc0aae7bf4a1177b2b31fcf8a3feeaf7092761e18c859ee52a9c