Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.01389219544
Darker point darker score: 0.25127029602
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3JB8CDV1SF2TH
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: A1EY3KWGUA9A1N
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3PKLLRKQ7VUVN (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1CV8APDA7Y2PI
(0: guessing, 1: probably, 2: definitely)