#= sunday letter: f, rule number: 31, next: 2030, prev: 2019
01-13=Epi1-0a;;1570 1888 1906 DA
01-14=Epi1-0a;;Newcal
01-22=Epi2-0;;1888 1906
02-15=Epi5-6;;DA
02-16=Epi5-6~B;;1570 1888 1906
seant02-28=Quadp2-2;;1570 1888 1906 DA