Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.0891142433579
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A1LAC2M11NC968
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1DRFDGG2KCOI2 (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A3Q2XBURXQ8RJS
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1SRPH3BGCHUOA
darker: E (eq: True, dd: None), confidence: 2, worker: A2BO99N00BQSB7
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2DTELFC4X0QJQ
darker: E (eq: True, dd: None), confidence: 1, worker: AL4ULHASETN9O
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A29WHBX4Y40L08 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3U65EZ76A3HCN
darker: E (eq: True, dd: None), confidence: 2, worker: A2A42CU48PN8CX
(0: guessing, 1: probably, 2: definitely)