r1_1 = 02de97092bfb7c02148a827b4f8b62db1e189a739c77815799df5e6fb35ae88a1f
r2_1 = 02838db77b981db321faf527a830461cfda01aed50d85c345a7b0a8f4e5e4fd3fc
delta = 031e283a9ebc4c50b0a93f27d411e69d0a97aad2a6d4ae26f5725f8b55fb5176f5
delta _k = 0xfffffffffffffffffffffffffffffffebaaedce6af487e246f4eac90b714b3bd
N- delta _k = 0x22175083b1fc19218d84
r1_2= 03de97092bfb7c02148a827b4f8b62db1e189a739c77815799df5e6fb35ae88a1f
r2_2= 03838db77b981db321faf527a830461cfda01aed50d85c345a7b0a8f4e5e4fd3fc
delta = 021e283a9ebc4c50b0a93f27d411e69d0a97aad2a6d4ae26f5725f8b55fb5176f5
delta _k = 0x22175083b1fc19218d84
PK = 33e7665705359f04f28b88cf897c603c9
P.S. @RetiredCoder thanks for the game, it was very interesting, although difficult.
~/ecctools$ ./keymath 03de97092bfb7c02148a827b4f8b62db1e189a739c77815799df5e6fb35ae88a1f - 03838db77b981db321faf527a830461cfda01aed50d85c345a7b0a8f4e5e4fd3fc
Result: 021e283a9ebc4c50b0a93f27d411e69d0a97aad2a6d4ae26f5725f8b55fb5176f5
041e283a9ebc4c50b0a93f27d411e69d0a97aad2a6d4ae26f5725f8b55fb5176f552ac4f0214360
7712d13128f291afab146c329d27886ec9ad5f98bcfa6ac3c58 priv 0x 0000000000000000000000000000000000000000000022175083b1fc19218d84