Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.464914268386
Darker point darker score: -0.398752227882
darker: 2 (eq: False, dd: False), confidence: 0, worker: A1AKY7UPWR53YH
darker: 2 (eq: False, dd: False), confidence: 2, worker: A30M7MYW1BHQN1
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2C5CT4Y35F75B
darker: 1 (eq: False, dd: True), confidence: 2, worker: A234WZ4KX8IW07
darker: E (eq: True, dd: None), confidence: 0, worker: A2Q1A5H715C3EK
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2FNC7KTCBF9IT
darker: 2 (eq: False, dd: False), confidence: 0, worker: A1Z3RPPYNUUT0Z
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1ABA3S1BGNCWW
(0: guessing, 1: probably, 2: definitely)