Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.170106893804
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1KITOCUU7GERN
darker: E (eq: True, dd: None), confidence: 2, worker: A1I4YHF7RG58DV
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1136V0RZUR5TO
darker: E (eq: True, dd: None), confidence: 2, worker: A2ZRJMJTE6ID97
darker: E (eq: True, dd: None), confidence: 2, worker: A10QRO2MWG7AZ7
(0: guessing, 1: probably, 2: definitely)