Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.0676386668465
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3BOFWD3AVRMLC
darker: E (eq: True, dd: None), confidence: 2, worker: A3E3QXLHXAGY4Y
darker: E (eq: True, dd: None), confidence: 2, worker: A32M5FDKCPHMA
darker: 2 (eq: False, dd: True), confidence: 0, worker: A2TTWBQFLFUCZ3
darker: E (eq: True, dd: None), confidence: 2, worker: A1NQZHW4RY6IDR
(0: guessing, 1: probably, 2: definitely)