Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.879732142302
Darker point darker score: -0.87973360491
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3UC4JITM1QD1M
darker: 2 (eq: False, dd: False), confidence: 1, worker: A37Q1701BQI3TI
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2C5CT4Y35F75B
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2JVJ7J2MVGW9S
darker: 2 (eq: False, dd: False), confidence: 2, worker: A22BAUES1TIZS6
(0: guessing, 1: probably, 2: definitely)