Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.2847918177
Darker point darker score: -0.0339769800946
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3SOJXAUQE15S3
darker: E (eq: True, dd: None), confidence: 1, worker: A2SP7LV6H5D0HO
darker: 2 (eq: False, dd: False), confidence: 2, worker: A22BAUES1TIZS6
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: AU4FF0366TBAR (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: A2DTELFC4X0QJQ
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1IOJ2LGMGISYM
(0: guessing, 1: probably, 2: definitely)