Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.225091569215
Darker point darker score: 0.949328157663
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3GFISRU6V2MG5
darker: 2 (eq: False, dd: True), confidence: 1, worker: AYJ67827HW8LL
darker: 2 (eq: False, dd: True), confidence: 2, worker: A16U1L4R6WV5G2
darker: E (eq: True, dd: None), confidence: 0, worker: A10S23B6VB5G8M
darker: 2 (eq: False, dd: True), confidence: 0, worker: A18YH2N9M2P95T (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A234WZ4KX8IW07
(0: guessing, 1: probably, 2: definitely)