#= sunday letter: b, rule number: 20, next: 2039, prev: 1977
02-01=Epi4-4~Epi4-6~A;;1888 1906
02-03=Epi4-6~A;;1570 M1617
02-04=Epi5-0~Epi5-2~Epi5-4;;1888 1906
02-04=Epi4-6;;DA M1930
04-19=Pasc1-1;;1570
05-02=Pasc3-0;;1570 M1617
05-04=Pasc3-0;;M1930
05-09=Pasc4-0;;1570 M1617 1888 1906 DA
