Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.437950965918
Darker point darker score: 0.273826765579
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1JWOUVUL09Y8D (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1A50D6DABL6IK
darker: 2 (eq: False, dd: True), confidence: 1, worker: AG0X3PQK2FWQJ
darker: 2 (eq: False, dd: True), confidence: 0, worker: A2EKPA2DR5VSA8
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2KJ983WWTEK4L
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2Q1A5H715C3EK
darker: E (eq: True, dd: None), confidence: 0, worker: A36ABEGFKRJC2O
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2Z6WC0PX1L4UG (marked invalid)
(0: guessing, 1: probably, 2: definitely)