Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.898057381742
Darker point darker score: 0.107409615146
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1NO4LG6KGOGFD
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1OTE7CRHWUOGJ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2UD6YLEN1BU8M
darker: 1 (eq: False, dd: False), confidence: 0, worker: A2OF0GTKWKM2T5
darker: 1 (eq: False, dd: False), confidence: 1, worker: A2JVJ7J2MVGW9S
darker: 1 (eq: False, dd: False), confidence: 1, worker: A26N0ZAW34UJUV
(0: guessing, 1: probably, 2: definitely)