Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.05471414167
Darker point darker score: 1.0753967825
darker: 1 (eq: False, dd: True), confidence: 1, worker: A14P86I4JB46ET
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3VO5CW9ZY22MZ
darker: 1 (eq: False, dd: True), confidence: 2, worker: A167L9XCC3KHPF
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3O8YXPG1HGUH0
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2VVSQ1PSXKGVE
(0: guessing, 1: probably, 2: definitely)