Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 1.47038785742
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A2GDON3WOQBNI0
darker: 1 (eq: False, dd: True), confidence: 0, worker: A2FXH814XCL143 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3DWNVEWGRQMJG
darker: E (eq: True, dd: None), confidence: 2, worker: A1TIL0S71V1JA0
darker: E (eq: True, dd: None), confidence: 2, worker: A3R5MEKMYYM2JX
darker: E (eq: True, dd: None), confidence: 2, worker: A3U65EZ76A3HCN
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3PHP9TTAVN4Y4
darker: E (eq: True, dd: None), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
(0: guessing, 1: probably, 2: definitely)