Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.25863880355
Darker point darker score: -0.0721855100468
darker: 2 (eq: False, dd: False), confidence: 0, worker: A2OF0GTKWKM2T5
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2TE84RMBCJ1B1 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3SOJXAUQE15S3
darker: 2 (eq: False, dd: False), confidence: 1, worker: AKLZPOBB3YA33
darker: 2 (eq: False, dd: False), confidence: 0, worker: A3NBD6P0INJB4G
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3DY9JPLPQUN1O
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
darker: 1 (eq: False, dd: True), confidence: 2, worker: A29WHBX4Y40L08 (marked invalid)
(0: guessing, 1: probably, 2: definitely)