Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.90731713134
Darker point darker score: -0.969767916481
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3PEMQP28HYGHU
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3E3QXLHXAGY4Y
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3HZT1JQU1PFB8
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3P8OM5PDCFZNE
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3AED9FZNMIZPI (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A32M5FDKCPHMA
(0: guessing, 1: probably, 2: definitely)