Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.04244913407
Darker point darker score: 1.03243740428
darker: 2 (eq: False, dd: True), confidence: 2, worker: A14P86I4JB46ET
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2MBCZMW1IBAK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3PF1VER45OVPM
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
(0: guessing, 1: probably, 2: definitely)