Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.957081990094
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A3VQLIGEFIPKAP
darker: 1 (eq: False, dd: True), confidence: 2, worker: ATPCAF2RU1G4C (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3FVPDNQQLDFZH
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2EY9GDVA7L8YM (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2ZRJMJTE6ID97
darker: E (eq: True, dd: None), confidence: 2, worker: A2FNC7KTCBF9IT
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1BTE6I49HJW2V (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: AMDW925P9IY2O
(0: guessing, 1: probably, 2: definitely)