Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.046012636245
Darker point darker score: -0.117647376356
darker: 2 (eq: False, dd: False), confidence: 1, worker: AS47ZFZ2M16E1
darker: 2 (eq: False, dd: False), confidence: 0, worker: A1JHVZIC3FH9LG
darker: 2 (eq: False, dd: False), confidence: 1, worker: A2CXAWVGQ6QQ2V
darker: E (eq: True, dd: None), confidence: 0, worker: A12FFCHI91DBJV
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1K3QJM1Q770Y (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2Q0V5TIXSJJI3
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1BTE6I49HJW2V (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2C5N3IQEP0KWA (marked invalid)
(0: guessing, 1: probably, 2: definitely)