Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.00993045879075
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3TVDFJ22T1FFN (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 1, worker: A2CXAWVGQ6QQ2V
darker: 2 (eq: False, dd: True), confidence: 0, worker: A1JHVZIC3FH9LG
darker: E (eq: True, dd: None), confidence: 0, worker: A21TA9DWNPHPBG (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1IJ5RKJ4MD2AM (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: E (eq: True, dd: None), confidence: 2, worker: A3A45A5YUM61LK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2A42CU48PN8CX
(0: guessing, 1: probably, 2: definitely)