Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.174893891721
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 2, worker: A14PFRHG0A2YY9
darker: E (eq: True, dd: None), confidence: 2, worker: AATGZLS7MZZT1
darker: E (eq: True, dd: None), confidence: 1, worker: A3RGYT0JTEHAOK
darker: E (eq: True, dd: None), confidence: 2, worker: AW0K78T4I2T72
darker: E (eq: True, dd: None), confidence: 2, worker: A1136V0RZUR5TO
(0: guessing, 1: probably, 2: definitely)