Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.112998310143
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A3MOK3EOXE5ZHW
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3QJ53C8CUTJTS (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AH8FQGOADPCST (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3UKUFHOITA6JF
darker: 2 (eq: False, dd: True), confidence: 0, worker: AUJPYSYU7YL5
darker: E (eq: True, dd: None), confidence: 2, worker: A2OF0GTKWKM2T5
darker: E (eq: True, dd: None), confidence: 2, worker: A3UIVQJXY62XU8
darker: E (eq: True, dd: None), confidence: 1, worker: A1SRPH3BGCHUOA
darker: E (eq: True, dd: None), confidence: 2, worker: AGY2PTZLZFT2L
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3NWQ0535HAXUD
(0: guessing, 1: probably, 2: definitely)