Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.105365189475
Darker point darker score: -0.127940840136
darker: 1 (eq: False, dd: True), confidence: 1, worker: A33A9M7SEUA9LG
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2GK4UR88NO1LU
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3FVPDNQQLDFZH
darker: E (eq: True, dd: None), confidence: 2, worker: AW0K78T4I2T72
darker: 2 (eq: False, dd: False), confidence: 2, worker: A79CHO3NW2IPO
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2Z6WC0PX1L4UG (marked invalid)
(0: guessing, 1: probably, 2: definitely)