Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.962943661452
Darker point darker score: 0.176404884465
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1KF93C9NTOP42
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1WP5F7NLRWLKW
darker: 1 (eq: False, dd: True), confidence: 2, worker: AWO91BEOHNOJB
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2G053HOWRCZZ6 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2CXAWVGQ6QQ2V
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2A42CU48PN8CX
(0: guessing, 1: probably, 2: definitely)