Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.073150604119
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 1, worker: A2631BM7J7H37K
darker: 1 (eq: False, dd: True), confidence: 2, worker: A68ZXGGMWVXUN (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A1AXIY3LLO186R
darker: 1 (eq: False, dd: True), confidence: 2, worker: AYDW5LJOF8GF2
darker: E (eq: True, dd: None), confidence: 2, worker: A3DKW5X4Y1Z6UD
darker: 1 (eq: False, dd: True), confidence: 1, worker: AMDW925P9IY2O
(0: guessing, 1: probably, 2: definitely)