Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.128027381422
Darker point darker score: 0.234265108691
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2V9WRIAL9CJZT
darker: 1 (eq: False, dd: False), confidence: 2, worker: AXHC7OMH8XE9U
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3HO0DT978POJ2
darker: E (eq: True, dd: None), confidence: 2, worker: A1S7UPUHFVXX4Z
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2FNC7KTCBF9IT
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
(0: guessing, 1: probably, 2: definitely)