Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.951525193185
Darker point darker score: -0.40431951955
darker: 1 (eq: False, dd: True), confidence: 1, worker: A9IJW3JXD68PI
darker: 1 (eq: False, dd: True), confidence: 1, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: A2EKPA2DR5VSA8
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3DY9JPLPQUN1O
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2XU16B4I9XQG5 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1IJ5RKJ4MD2AM (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: AEJO933AJ3ZZH
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1RDQFNF6LD25Z
darker: 2 (eq: False, dd: False), confidence: 2, worker: A360B58589TBUS (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A27H0BKXDPJ543
(0: guessing, 1: probably, 2: definitely)