Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.880643823483
Darker point darker score: 0.303804268765
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3BCQQ7TPUO8Q2 (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1GM94HPPS4SS0
darker: 2 (eq: False, dd: True), confidence: 1, worker: A14PFRHG0A2YY9
darker: E (eq: True, dd: None), confidence: 0, worker: A3RJ8NZQ8BRTZM (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A21VLTGNNJH43I
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1H30MGYWO1MWS (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1N4JP7BSPNF95
darker: 2 (eq: False, dd: True), confidence: 2, worker: AH5A4HC68V57W (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1TQ7UQSSQP7BD (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2CXAWVGQ6QQ2V
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
(0: guessing, 1: probably, 2: definitely)