Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.310194578644
Darker point darker score: 0.167993157226
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3HH4LW4MMVHE1
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3E3QXLHXAGY4Y
darker: 1 (eq: False, dd: True), confidence: 0, worker: A2LT5VXO2LS0UL
darker: E (eq: True, dd: None), confidence: 0, worker: A36ABEGFKRJC2O
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 0, worker: A2Q0V5TIXSJJI3
(0: guessing, 1: probably, 2: definitely)