Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.20294362687
Darker point darker score: 0.136289561353
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2C5CT4Y35F75B
darker: 2 (eq: False, dd: True), confidence: 2, worker: A258PTOZ3D2TQR
darker: 2 (eq: False, dd: True), confidence: 1, worker: AE6N096CSI5HT
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1LC5CYDRIHNRM (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A7S0IDTDA59QN
darker: 1 (eq: False, dd: False), confidence: 1, worker: A277RSAE4AKWW0
(0: guessing, 1: probably, 2: definitely)