Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.029869620121
Darker point darker score: 0.0239614530896
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 1 (eq: False, dd: False), confidence: 2, worker: A237FGJCPV99GJ
darker: 1 (eq: False, dd: False), confidence: 1, worker: AKLZPOBB3YA33
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2BG6O1B5B3F78
darker: 1 (eq: False, dd: False), confidence: 0, worker: A18YH2N9M2P95T (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A1JEDFDBWHLA1F
(0: guessing, 1: probably, 2: definitely)