I am searching for cuneiform letters and numeric value of letters but I can't find correct letters. I always see this letters:

"https://www.google.com/search?q=cuneiform+letters&oq=&aqs=chrome.2.35i39l4j69i176.-1j0j7&client=ms-android-om-lge&sourceid=chrome-mobile&ie=UTF-8#imgrc=ZobHX60kS7ZGSM" and

"https://www.google.com/search?q=cuneiform+letters&oq=&aqs=chrome.2.35i39l4j69i176.-1j0j7&client=ms-android-om-lge&sourceid=chrome-mobile&ie=UTF-8#imgrc=9kCx57uOBwP6KM"

Can anyone help me to find correct letters and theirs numeric values?