Primitives: 

S1-PC1: [0.6488 0.1892 0.6951 0.2452]
S1-PC2: [-0.1526 -0.0925 -0.1741 0.9684]
S2-PC1: [0.6888 0.7248]
S2-PC2: [-0.7248 0.6888]

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