anchor.diff:  Joannes,#370_390,1/6/425,27/8/423,d,n,n
   Valentinian III,2/7/419,16/3/455,23/10/424,d,15/8/423,a
   Marcian,#396,1/1/457,1/7/450,d,n,n
  +Petronius Maximus,#396,31/5/455,17/3/455,d,n,n
  +Avitus,#385,#457_459,9/7/455,17/10/456,n,n
  +Majorian,1/11/420,7/8/461,1/4/457,2/8/461,n,n
  +Libius Severus,#417_423,1/8/465,1/11/461,d,n,n
  +Anthemius,#417_423,11/7/472,12/4/467,d,n,n
  +Olybrius,#417_423,2/11/472,11/7/472,d,n,n
  +Glycerius,#417_423,#480_#485,1/3/473,1/6/474,n,n
  +Julius Nepos,#430,#480,1/6/474,d,n,n
  +Romulus Augustulus,#460,#480_495,31/10/475,4/9/476,n,n
  
positive.code: Augustus,23/9/-63,19/8/14,16/1/-27,d,n,n
  Agrippa,#-64_-63,#-12,n,n,n,n
  Tiberius,16/11/-42,16/3/37,18/9/14,d,n,n
  Caligula,12/08/12,24/1/41,18/3/37,d,n,n
  Claudius,10/08/-10,13/8/54,25/1/41,d,n,n
  Nero,15/12/37,9/6/68,13/10/54,d,n,n
  
negative.code: Constantius,31/3/250,#306,1/5/305,25/7/306,#293,a
  Galerius,#260,#311,1/5/305,d,#293,a
  Severus II,#260_290,16/9/307,1/7/306,1/4/307,#305,a
  Maximinus Daia,20/11/270,1/8/313,1/5/311,d,#305,a
  Constantine,27/2/272,22/5/337,25/7/306,d,1/1/306,a
  Maxentius,#278,28/10/312,28/10/306,d,n,n
  Licinius,#250,#325,11/11/308,18/9/324,n,n
  Constantine II,#316,#340,22/5/337,d,#317,a
  Constantius II,7/8/317,3/11/361,22/5/337,d,n,n
  