Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.0168170965146
Darker point darker score: -0.879732103731
darker: 2 (eq: False, dd: False), confidence: 0, worker: A3U65EZ76A3HCN
darker: E (eq: True, dd: None), confidence: 2, worker: AYD3RXE17K2CF
darker: 2 (eq: False, dd: False), confidence: 1, worker: A2V9WRIAL9CJZT
darker: 2 (eq: False, dd: False), confidence: 2, worker: A22BAUES1TIZS6
darker: E (eq: True, dd: None), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
(0: guessing, 1: probably, 2: definitely)