[GPU, Core22] Projects p18900-18902

[jfchen]

All projects:
<timeout v="1"/>
<deadline v="2"/>

p18900: <stats-credit v="7501"/> , <atoms v="43328"/>
p18901: <stats-credit v="6137"/> , <atoms v="38594"/>
p18902: <stats-credit v="8257"/> , <atoms v="36143"/>

Project Description: https://stats.foldingathome.org/project/18900