anchor.diff:  -91,-90,179,0,-327600000,-324000000,644400000,0,,3rd/south_pole_to_equator.test
   -91,-89,179,0,-327600000,-320400000,644400000,0,,3rd/near_south_pole_to_equator.test
   -91,-1,179,0,-327600000,-3600000,644400000,0,,3rd/near_equator_to_equator.test
  --91,0,179,0,-327600000,0,644400000,0,,equator/equator.test
  +-91,0,179,0,-327600000,0,644400000,0,9986028,equator/equator.test
   -91,1,179,0,-327600000,3600000,644400000,0,,2nd/near_equator_to_equator.test
   -91,89,179,0,-327600000,320400000,644400000,0,,2nd/near_north_pole_to_equator.test
   -91,90,179,0,-327600000,324000000,644400000,0,,2nd/north_pole_to_equator.test
  
positive.code: 179,-90,-90,0,644400000,-324000000,-324000000,0,,4th/south_pole_to_equator.test
  179,-89,-90,0,644400000,-320400000,-324000000,0,,4th/near_south_pole_to_equator.test
  179,-1,-90,0,644400000,-3600000,-324000000,0,,4th/near_equator_to_equator.test
  179,0,-90,0,644400000,0,-324000000,0,,equator/equator.test
  179,1,-90,0,644400000,3600000,-324000000,0,,1st/near_equator_to_equator.test
  179,89,-90,0,644400000,320400000,-324000000,0,,1st/near_north_pole_to_equator.test
  179,90,-90,0,644400000,324000000,-324000000,0,,1st/north_pole_to_equator.test
  
negative.code: -179,-90,90,0,-644400000,-324000000,324000000,0,,3rd/south_pole_to_equator.test
  -179,-89,90,0,-644400000,-320400000,324000000,0,,3rd/near_south_pole_to_equator.test
  -179,-1,90,0,-644400000,-3600000,324000000,0,,3rd/near_equator_to_equator.test
  -179,0,90,0,-644400000,0,324000000,0,10096984,equator/equator.test
  -179,1,90,0,-644400000,3600000,324000000,0,,2nd/near_equator_to_equator.test
  -179,89,90,0,-644400000,320400000,324000000,0,,2nd/near_north_pole_to_equator.test
  -179,90,90,0,-644400000,324000000,324000000,0,,2nd/north_pole_to_equator.test
  