Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.35342181736
Darker point darker score: 0.17855062132
darker: 2 (eq: False, dd: False), confidence: 1, worker: A2KGL2FXIG2IQM (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3JB8CDV1SF2TH
darker: E (eq: True, dd: None), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A7S0IDTDA59QN
darker: 1 (eq: False, dd: True), confidence: 1, worker: AWO91BEOHNOJB
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3HIIRTGJUJZ1D
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1ABA3S1BGNCWW
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3QTG4DHHV2KD6
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1ABA3S1BGNCWW
(0: guessing, 1: probably, 2: definitely)