Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.169044854311
Darker point darker score: -0.11455486865
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1A50D6DABL6IK
darker: E (eq: True, dd: None), confidence: 2, worker: A1XYJZ1AFNUURD
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1XA2WJ50VR7KQ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A38TQC40K87G6I (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3VEMG1EEBJHWD
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1N274L13ZKKI5
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1MQPBGSL800TL
(0: guessing, 1: probably, 2: definitely)