Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.0520464029422
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2631BM7J7H37K
darker: E (eq: True, dd: None), confidence: 2, worker: A2ZRJMJTE6ID97
darker: E (eq: True, dd: None), confidence: 1, worker: A1IOJ2LGMGISYM
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3N6C8962TXPVH
darker: E (eq: True, dd: None), confidence: 2, worker: A1WRANKL1HRGYW
darker: 2 (eq: False, dd: True), confidence: 2, worker: AFJ9O7OL23SQ9
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2G053HOWRCZZ6 (marked invalid)
(0: guessing, 1: probably, 2: definitely)