Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 1.14319666694
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2TEWO3WJ5YKGG (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AUJPYSYU7YL5
darker: E (eq: True, dd: None), confidence: 2, worker: A2LT5VXO2LS0UL
darker: E (eq: True, dd: None), confidence: 0, worker: AQAKW9NW6Z61T
darker: E (eq: True, dd: None), confidence: 2, worker: A2HSGLM9NG1QN7
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3FZ7C7M6VD21M (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2CXAWVGQ6QQ2V
darker: 1 (eq: False, dd: True), confidence: 2, worker: A216863E5VMFSV (marked invalid)
darker: E (eq: True, dd: None), confidence: 0, worker: A3TVDFJ22T1FFN (marked invalid)
(0: guessing, 1: probably, 2: definitely)