Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.914675485112
Darker point darker score: 1.13856074722
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1CEPAN1MLYHSO
darker: 2 (eq: False, dd: True), confidence: 1, worker: A16B0PGF0CU0JV
darker: 2 (eq: False, dd: True), confidence: 2, worker: A37JK3E3WOIGG2
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3NWQ0535HAXUD
darker: 2 (eq: False, dd: True), confidence: 2, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3GTIIFSMHAKRZ
(0: guessing, 1: probably, 2: definitely)