Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.0179117480155
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A3FHD8CKWUQK61
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NZVXB0S8DR04
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1PCTP576OW35H (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1I4YHF7RG58DV
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1136V0RZUR5TO
darker: E (eq: True, dd: None), confidence: 2, worker: A3IPKVTS5K06LP
(0: guessing, 1: probably, 2: definitely)