Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.119272795425
Darker point darker score: 0.229080521225
darker: 2 (eq: False, dd: True), confidence: 2, worker: A5A5THR7ITRBA
darker: E (eq: True, dd: None), confidence: 2, worker: A1W02OZN6J9J0H
darker: 2 (eq: False, dd: True), confidence: 2, worker: ANE1T9B3JJAS5
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3799NWTIYKCEV
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3RLTUXIM8TU3K (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2CXAWVGQ6QQ2V
(0: guessing, 1: probably, 2: definitely)