Primitives: 

S1-PC1: [0.7072, -0.7070]
S1-PC2: [0.7070, 0.7072]
S2-PC1: [-0.4756, 0.8797]
S2-PC2: [-0.8797, -0.4756]

"S" stands for synergy matrix / set and "PC" for principal component.