Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.913202133077
Darker point darker score: 0.175218320636
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1IJ5RKJ4MD2AM (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A14BFNH96MJQH
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1KF93C9NTOP42
darker: 1 (eq: False, dd: False), confidence: 2, worker: A167L9XCC3KHPF
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1HZWAX6XQXIM7
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3TO9R1Z7L6PZZ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1XVZCQ983ETMR
(0: guessing, 1: probably, 2: definitely)