Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.884974473848
Darker point darker score: 0.948652125935
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1TQYQG3VFJTWW
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1ZH2G3ICIOPT2 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A32M5FDKCPHMA
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2TEWO3WJ5YKGG (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1WP5F7NLRWLKW
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1H10UJNXTJDX4
darker: 2 (eq: False, dd: True), confidence: 2, worker: A92IZM4P9SJ2S
(0: guessing, 1: probably, 2: definitely)