Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.982010067421
Darker point darker score: 1.05396134032
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 0, worker: AGDDGSV1IQ0Z4
darker: 2 (eq: False, dd: True), confidence: 2, worker: A32M5FDKCPHMA
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3FVPDNQQLDFZH
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2JVJ7J2MVGW9S
darker: 2 (eq: False, dd: True), confidence: 2, worker: A28B3UID8AT1GJ
(0: guessing, 1: probably, 2: definitely)