Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.917268598715
Darker point darker score: 0.0719241809004
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2TP6GDF71HM4M
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2K9VAUQ9I7CLT
darker: 2 (eq: False, dd: True), confidence: 2, worker: A7PVOM63I6UH5 (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3QTG4DHHV2KD6
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1KH9UPH0D74QJ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: ANE1T9B3JJAS5
(0: guessing, 1: probably, 2: definitely)