Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.885898057583
Darker point darker score: 0.901607767266
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1SRPH3BGCHUOA
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2DNSD743W4OC2
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1E9VI5RSZI31F
darker: 1 (eq: False, dd: True), confidence: 2, worker: A92IZM4P9SJ2S
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3A45A5YUM61LK
(0: guessing, 1: probably, 2: definitely)