Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.243843115106
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 0, worker: A2SYRUPGAUG1QO
darker: E (eq: True, dd: None), confidence: 2, worker: A234WZ4KX8IW07
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1JF9ZNXWK5QZU (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: AYLD14EI9Q925
darker: E (eq: True, dd: None), confidence: 2, worker: A1NZVXB0S8DR04
darker: E (eq: True, dd: None), confidence: 2, worker: A60085NFAM25W
(0: guessing, 1: probably, 2: definitely)