Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.306333850419
Darker point darker score: 0.105046381366
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3FVPDNQQLDFZH
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1JF9ZNXWK5QZU (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2DNSD743W4OC2
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3IIE0ASFPHDBN
darker: 1 (eq: False, dd: True), confidence: 0, worker: A1JHVZIC3FH9LG
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1PGQZ8N5QB4F4 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A1EY3KWGUA9A1N
(0: guessing, 1: probably, 2: definitely)