Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.352752092341
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: True), confidence: 2, worker: A122E99M2DQY1G (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AUKFRW1LVWIZ8
darker: E (eq: True, dd: None), confidence: 2, worker: A2LT5VXO2LS0UL
darker: 1 (eq: False, dd: True), confidence: 2, worker: AMV1QZDL5K6PG
darker: E (eq: True, dd: None), confidence: 2, worker: A1Y5DMCQYLVL74
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3RLTUXIM8TU3K (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1NJB5LJJPC7AS
darker: E (eq: True, dd: None), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3NWQ0535HAXUD
(0: guessing, 1: probably, 2: definitely)