Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.913512930352
Darker point darker score: 0.924330309748
darker: 2 (eq: False, dd: True), confidence: 2, worker: AHLVAVDNE9WI0
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3QW1C79IH4GOG
darker: 2 (eq: False, dd: True), confidence: 1, worker: A14VYU4RTNHD1D
darker: 2 (eq: False, dd: True), confidence: 0, worker: A1KF93C9NTOP42
darker: 2 (eq: False, dd: True), confidence: 1, worker: AO6J6WQVRE5YZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: ANE1T9B3JJAS5
(0: guessing, 1: probably, 2: definitely)