Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.44575703445
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A3B0AB2C9SIHN
darker: E (eq: True, dd: None), confidence: 2, worker: A3ICG6AUFB4AT
darker: 2 (eq: False, dd: True), confidence: 2, worker: A37BJIS83RKF9X
darker: 2 (eq: False, dd: True), confidence: 2, worker: A37BJIS83RKF9X
darker: E (eq: True, dd: None), confidence: 2, worker: A21SF3IKIZB0VN
darker: 2 (eq: False, dd: True), confidence: 2, worker: ATWGPR2A3M7WU (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: ABWVRVG5B5OMX (marked invalid)
(0: guessing, 1: probably, 2: definitely)