Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0150355415299
Darker point darker score: 0.0510724114172
darker: 1 (eq: False, dd: False), confidence: 2, worker: A106BTOUPN1KRV
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3E3QXLHXAGY4Y
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1AXIY3LLO186R
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3FVPDNQQLDFZH
darker: E (eq: True, dd: None), confidence: 2, worker: A3PHP9TTAVN4Y4
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3RLTUXIM8TU3K (marked invalid)
(0: guessing, 1: probably, 2: definitely)