userland@localhost:~/ecctools$ ./modmath 0xb338087fab6153cbb64561e4b35082d41653e3b70a55b9b105deba9f3dc10479 / 0x20000000000000000000000000000000000000000000000000000000000000000000000000000 00000000000000
Result: 2d56cbf370cbeef9e80a
how Etar do it this
