Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.911109783769
Darker point darker score: 0.26452833406
darker: 1 (eq: False, dd: False), confidence: 2, worker: A30M7MYW1BHQN1
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2SXYRKIP3J9CJ
darker: 2 (eq: False, dd: True), confidence: 1, worker: A11GWWAXRJQ6Y2 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1I4YHF7RG58DV
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1IX44UFXFW0ZY
darker: 2 (eq: False, dd: True), confidence: 2, worker: A79CHO3NW2IPO
(0: guessing, 1: probably, 2: definitely)