Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -1.03972603414
Darker point darker score: -0.27603900177
darker: 2 (eq: False, dd: False), confidence: 2, worker: AAC5XT7UY7B2K
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3N9RU4O84WSPI
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3DKW5X4Y1Z6UD
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1Y5DMCQYLVL74
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2SNX0RFIPIO60
darker: 1 (eq: False, dd: True), confidence: 2, worker: A18WZ06GBK6FGZ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3TVDFJ22T1FFN (marked invalid)
(0: guessing, 1: probably, 2: definitely)