Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.922510920743
Darker point darker score: 0.982936199737
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3FVPDNQQLDFZH
darker: 1 (eq: False, dd: True), confidence: 2, worker: A33A9M7SEUA9LG
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1H30MGYWO1MWS (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2DTELFC4X0QJQ
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1AXIY3LLO186R
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3PKLLRKQ7VUVN (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2CXAWVGQ6QQ2V
(0: guessing, 1: probably, 2: definitely)