Retweet selection

import binascii
import struct
from math import floor

a = "0000000000000000000397eb2452c0ffe2c5ca847b222be9db48bcf3066da0dc" # Block hash, tested with block 519187
d = binascii.unhexlify(a)

# Captured image size
w = 1080
h = 12249
ilen = w * h

s, t, u, v = struct.unpack("QQQQ", d)

p = (s + t + u + v)

y = floor((p / h) % ilen / w)

print(y) # Nearest retweet on this Y position from, in this example pimpingkek would win