Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.10729436871
Darker point darker score: 1.02375238698
darker: 1 (eq: False, dd: True), confidence: 2, worker: AQAKW9NW6Z61T
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1PGQZ8N5QB4F4 (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: AJSZEUBV1O00K (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A22BAUES1TIZS6
darker: 1 (eq: False, dd: True), confidence: 2, worker: AUJ3E2LEXUU10
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1NZVXB0S8DR04
darker: 1 (eq: False, dd: True), confidence: 2, worker: A92IZM4P9SJ2S
(0: guessing, 1: probably, 2: definitely)