Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.112238358275
Darker point darker score: -0.0220437948718
darker: 1 (eq: False, dd: True), confidence: 0, worker: A3Q2HC4T5MHY93
darker: 1 (eq: False, dd: True), confidence: 1, worker: AO6J6WQVRE5YZ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A37JK3E3WOIGG2
darker: E (eq: True, dd: None), confidence: 1, worker: A1EY3KWGUA9A1N
darker: 2 (eq: False, dd: False), confidence: 1, worker: ASOOONBGQ48YI
darker: E (eq: True, dd: None), confidence: 2, worker: A3163PFOUKXQKA
(0: guessing, 1: probably, 2: definitely)