Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.220114767096
Darker point darker score: 0.21869708539
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3PJC6Y61MM363
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2Q0V5TIXSJJI3
darker: 2 (eq: False, dd: True), confidence: 2, worker: AF8M0GI3M45B8
darker: E (eq: True, dd: None), confidence: 1, worker: A3799NWTIYKCEV
darker: 2 (eq: False, dd: True), confidence: 2, worker: AQAKW9NW6Z61T
(0: guessing, 1: probably, 2: definitely)