Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.234508545275
Darker point darker score: 0.117643907902
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2TEWO3WJ5YKGG (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 1, worker: A2NA5EGC550RR
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1HZWAX6XQXIM7
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1IOJ2LGMGISYM
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1MQPBGSL800TL
darker: E (eq: True, dd: None), confidence: 0, worker: A1NJB5LJJPC7AS
(0: guessing, 1: probably, 2: definitely)