nostr:npub1wagd0pljzqkrcvvdcsnm802c6yqr45nuxyrh0tpuev6dftg2wdrsr6f952 nostr:npub1r89lejecvj7q25pqsf9ed63exe3rp3cezdkudk0fr7dwklde6gsqvqs5dt What did you use to make the chart?