Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.0200635901406
Darker point darker score: 0.283405524217
darker: 1 (eq: False, dd: True), confidence: 0, worker: A3UC4JITM1QD1M
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1G3G0YQ80PTL9
darker: 1 (eq: False, dd: True), confidence: 1, worker: A37Q1701BQI3TI
darker: 1 (eq: False, dd: True), confidence: 1, worker: A22BAUES1TIZS6
darker: E (eq: True, dd: None), confidence: 2, worker: A2JVJ7J2MVGW9S
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
(0: guessing, 1: probably, 2: definitely)