Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.93282366597
Darker point darker score: 0.922254318958
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3TCQK2G3LNZRW
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3HFS9E2FHNXDR
darker: 2 (eq: False, dd: True), confidence: 1, worker: AAS7N38GYAVF8
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1FUQIDCR4U4QQ
darker: 2 (eq: False, dd: True), confidence: 2, worker: ATWGPR2A3M7WU (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3163PFOUKXQKA
(0: guessing, 1: probably, 2: definitely)