Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.03708140703
Darker point darker score: 1.10745746568
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1Y5DMCQYLVL74
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1WP5F7NLRWLKW
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1TQ7UQSSQP7BD (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3GTLCTTVIMPOL
darker: 1 (eq: False, dd: True), confidence: 2, worker: A106BTOUPN1KRV
(0: guessing, 1: probably, 2: definitely)