Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.20167445844
Darker point darker score: 0.221424326172
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2V9WRIAL9CJZT
darker: E (eq: True, dd: None), confidence: 0, worker: A3VLWJYR99R66D
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3TO9R1Z7L6PZZ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: A13QL2FY4BZR9B
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2D3TM156X7Y61
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1DDY93NB8NESD
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1PRVVISZ1C6CQ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2Z6WC0PX1L4UG (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: AJSZEUBV1O00K (marked invalid)
(0: guessing, 1: probably, 2: definitely)