Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.899427313784
Darker point darker score: -0.0792663049297
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3QW1C79IH4GOG
darker: 2 (eq: False, dd: False), confidence: 2, worker: A7PVOM63I6UH5 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: False), confidence: 2, worker: AE6N096CSI5HT
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3QTG4DHHV2KD6
darker: 2 (eq: False, dd: False), confidence: 2, worker: AEHEZAYCPWF0E
(0: guessing, 1: probably, 2: definitely)