Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 1.38734303267
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 1, worker: A9IJW3JXD68PI
darker: 1 (eq: False, dd: True), confidence: 0, worker: A2FXH814XCL143 (marked invalid)
darker: E (eq: True, dd: None), confidence: 0, worker: A29PBDDLQLP90O
darker: E (eq: True, dd: None), confidence: 2, worker: A3JB8CDV1SF2TH
darker: E (eq: True, dd: None), confidence: 2, worker: A2RLY0MUZQ1R1G (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AGO9QN7UEDUYL
darker: E (eq: True, dd: None), confidence: 2, worker: A2KJ983WWTEK4L
darker: E (eq: True, dd: None), confidence: 2, worker: AEJO933AJ3ZZH
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3NUDHU0ZTFI8H (marked invalid)
(0: guessing, 1: probably, 2: definitely)