Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.91017921494
Darker point darker score: -0.263288929475
darker: 2 (eq: False, dd: False), confidence: 1, worker: AW0K78T4I2T72
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2TP6GDF71HM4M
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2B8L88BUHVOO6
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2H4ON6BUHMY1L (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: AE6N096CSI5HT
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1I4YHF7RG58DV
(0: guessing, 1: probably, 2: definitely)