Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.880060556765
Darker point darker score: 0.928472377049
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3VEMG1EEBJHWD
darker: 1 (eq: False, dd: True), confidence: 1, worker: AUKFRW1LVWIZ8
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1N274L13ZKKI5
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1136V0RZUR5TO
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3RZMD0GPKZBJ5
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1PGQZ8N5QB4F4 (marked invalid)
(0: guessing, 1: probably, 2: definitely)