Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.94054423495
Darker point darker score: 0.920154141149
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1CEPAN1MLYHSO
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3163PFOUKXQKA
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3A45A5YUM61LK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NM7ZPZ3NH412
(0: guessing, 1: probably, 2: definitely)