anchor.diff:  6252,Oct 1 2014 6:30 AM,Oct 1 2014 2:30 PM,58,weekly,normal,
   6253,Oct 2 2014 6:30 AM,Oct 2 2014 2:30 PM,58,weekly,normal,
   6254,Oct 3 2014 6:30 AM,Oct 3 2014 2:30 PM,58,weekly,normal,
  -6255,Oct 3 2014 7:00 AM,Oct 3 2014 2:00 PM,58,weekly,extra_rider,
  +6255,Oct 3 2014 7:00 AM,Oct 3 2014 2:00 PM,58,weekly,extra,
   6256,Oct 4 2014 8:00 AM,Oct 4 2014 3:00 PM,58,weekly,normal,
  -6257,Oct 4 2014 8:00 AM,Oct 4 2014 3:00 PM,58,weekly,extra_rider,
  +6257,Oct 4 2014 8:00 AM,Oct 4 2014 3:00 PM,58,weekly,extra,
   6258,Oct 5 2014 8:00 AM,Oct 5 2014 3:00 PM,58,weekly,normal,
  -6259,Oct 5 2014 8:00 AM,Oct 5 2014 3:00 PM,58,weekly,extra_rider,
  +6259,Oct 5 2014 8:00 AM,Oct 5 2014 3:00 PM,58,weekly,extra,
   6260,Oct 1 2014 7:00 AM,Oct 1 2014 3:00 PM,61,weekly,free,
   6261,Oct 3 2014 7:00 AM,Oct 3 2014 3:00 PM,61,weekly,normal,
   6262,Oct 4 2014 8:00 AM,Oct 4 2014 3:00 PM,61,weekly,normal,
  
positive.code: 6822,Oct 25 2014 8:00 AM,Oct 25 2014 3:00 PM,84,weekly,normal,
  6823,Oct 26 2014 8:00 AM,Oct 26 2014 3:00 PM,84,weekly,normal,
  6824,Oct 20 2014 5:00 PM,Oct 20 2014 10:00 PM,6,weekly,normal,
  6825,Oct 20 2014 7:00 PM,Oct 20 2014 11:45 PM,6,weekly,extra_rider,
  6826,Oct 21 2014 5:00 PM,Oct 21 2014 10:00 PM,6,weekly,normal,
  6827,Oct 21 2014 7:00 PM,Oct 21 2014 11:45 PM,6,emergency,extra_rider,
  6828,Oct 22 2014 5:00 PM,Oct 22 2014 10:00 PM,6,weekly,normal,
  6829,Oct 22 2014 7:00 PM,Oct 22 2014 11:45 PM,6,emergency,extra_rider,
  6830,Oct 23 2014 5:00 PM,Oct 23 2014 10:00 PM,6,emergency,normal,
  6831,Oct 23 2014 7:00 PM,Oct 23 2014 11:45 PM,6,emergency,extra_rider,
  6832,Oct 24 2014 5:00 PM,Oct 24 2014 10:00 PM,6,weekly,normal,
  6833,Oct 24 2014 7:00 PM,Oct 24 2014 11:45 PM,6,emergency,extra_rider,
  6834,Oct 25 2014 5:00 PM,Oct 25 2014 10:00 PM,6,weekly,normal,
  6835,Oct 25 2014 7:00 PM,Oct 25 2014 11:45 PM,6,weekly,extra_rider,
  6836,Oct 26 2014 5:00 PM,Oct 26 2014 10:00 PM,6,weekly,normal,
  6837,Oct 26 2014 7:00 PM,Oct 26 2014 11:45 PM,6,extra,extra_rider,
  6838,Oct 20 2014 5:00 PM,Oct 20 2014 11:00 PM,8,weekly,normal,
  6839,Oct 21 2014 5:00 PM,Oct 21 2014 11:00 PM,8,weekly,normal,
  6840,Oct 22 2014 5:00 PM,Oct 22 2014 11:00 PM,8,emergency,normal,
  
negative.code: 6179,Oct 1 2014 11:00 AM,Oct 1 2014 5:00 PM,64,weekly,normal,
  6180,Oct 2 2014 11:00 AM,Oct 2 2014 5:00 PM,64,weekly,normal,
  6181,Oct 2 2014 5:00 PM,Oct 2 2014 10:30 PM,64,weekly,normal,
  6182,Oct 2 2014 5:00 PM,Oct 2 2014 10:30 PM,64,weekly,extra,
  6183,Oct 3 2014 11:00 AM,Oct 3 2014 5:00 PM,64,weekly,normal,
  6184,Oct 4 2014 12:00 PM,Oct 4 2014 7:00 PM,64,extra,normal,
  6185,Oct 5 2014 11:00 AM,Oct 5 2014 5:00 PM,64,weekly,normal,
  