Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.896551776848
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2Z6WC0PX1L4UG (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1KITOCUU7GERN
darker: E (eq: True, dd: None), confidence: 2, worker: A3E3QXLHXAGY4Y
darker: E (eq: True, dd: None), confidence: 1, worker: A3UZV2WVMQO4Q9 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1AXIY3LLO186R
darker: E (eq: True, dd: None), confidence: 2, worker: A1SRPH3BGCHUOA
darker: 2 (eq: False, dd: True), confidence: 2, worker: A216863E5VMFSV (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3S6JT56CCUSE2 (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2EY9GDVA7L8YM (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A106BTOUPN1KRV
(0: guessing, 1: probably, 2: definitely)