Graph With Stacks Of Coins

https://www.flickr.com/photos/teegardin/6093690339/in/photolist-ahtKQx-pYEtDe-8tQTrh-eXj12u-9h1d7f-pLebSd-fEdSCh-a9dahL-fJXptH-qDymy-a9amcp-eWYBAo-eWYBgy-a9aryF-4aBKbu-bCUpDu-bRPtgR-fQ23jp-fJXnPn-9PVAfP-ZUzGHo-eWMdqK-bCUqhN-eWMe5M-in3Yo9-pM2ZEA-bCUKxf-iCMiQm-eX256f-a9arJZ-pvTn8P-a9d9Vu-pNjLmK-fQ278g-a9hgJ4-8Pepz6-9f25Tq-iCM3Qw-ipq6Wy-fGDybe-eWYCW9-eWMdUp-hvcdT7-eWYBuw-nQiamA-bz8xSw-pJSzcb-fnnsnv-av5XY6-eWMeVa