Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.968297754632
Darker point darker score: 0.0843594462837
darker: 1 (eq: False, dd: True), confidence: 2, worker: AO1T9KG7VR0P5
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3JB8CDV1SF2TH
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2H4ON6BUHMY1L (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 0, worker: A3UIVQJXY62XU8
darker: 1 (eq: False, dd: True), confidence: 2, worker: AE6N096CSI5HT
darker: 2 (eq: False, dd: False), confidence: 2, worker: ANE1T9B3JJAS5
(0: guessing, 1: probably, 2: definitely)