Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.29194751234
Darker point darker score: 0.927174570827
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2KJ983WWTEK4L
darker: 2 (eq: False, dd: True), confidence: 1, worker: AVQ23YRFWZKHH (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3163PFOUKXQKA
darker: E (eq: True, dd: None), confidence: 1, worker: A1EY3KWGUA9A1N
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2JVJ7J2MVGW9S
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3A45A5YUM61LK
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3NUDHU0ZTFI8H (marked invalid)
(0: guessing, 1: probably, 2: definitely)