Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.56944855608
Darker point darker score: -0.0616786684433
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2TE84RMBCJ1B1 (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3VO5CW9ZY22MZ
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3163PFOUKXQKA
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1H10UJNXTJDX4
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1EY3KWGUA9A1N
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A277RSAE4AKWW0
(0: guessing, 1: probably, 2: definitely)