Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.06903173553
Darker point darker score: 0.140371357434
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3QTG4DHHV2KD6
darker: 2 (eq: False, dd: True), confidence: 0, worker: A2Q27LZW3VNDIP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3669Z1XJYWEWD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3QISPCNE64DUP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2VVSQ1PSXKGVE
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3163PFOUKXQKA
darker: 2 (eq: False, dd: True), confidence: 1, worker: AKJ6IXN6XE7OQ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AP29T5XPOQKG2 (marked invalid)
(0: guessing, 1: probably, 2: definitely)