Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.054421906474
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 1, worker: AX720MTAR52TX
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3J83K797QJ6QO (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A36XRHW6R8MU0C
darker: E (eq: True, dd: None), confidence: 1, worker: A1NPKI9KKWOI2P
darker: E (eq: True, dd: None), confidence: 2, worker: A1NJMUQIN7L8AD
darker: 1 (eq: False, dd: True), confidence: 2, worker: A7S0IDTDA59QN
darker: E (eq: True, dd: None), confidence: 2, worker: A3UKUFHOITA6JF
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1TQ7UQSSQP7BD (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1KH9UPH0D74QJ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3UC4JITM1QD1M
(0: guessing, 1: probably, 2: definitely)