{VPB[5, xp[1, 2]], VPB[5, xm[1, 2]], VPB[5, xp[1, 3]], VPB[5, xm[1, 3]], 
 VPB[5, xp[1, 4]], VPB[5, xm[1, 4]], VPB[5, xp[1, 5]], VPB[5, xm[1, 5]], 
 VPB[5, xp[2, 1]], VPB[5, xm[2, 1]], VPB[5, xp[2, 3]], VPB[5, xm[2, 3]], 
 VPB[5, xp[2, 4]], VPB[5, xm[2, 4]], VPB[5, xp[2, 5]], VPB[5, xm[2, 5]], 
 VPB[5, xp[3, 1]], VPB[5, xm[3, 1]], VPB[5, xp[3, 2]], VPB[5, xm[3, 2]], 
 VPB[5, xp[3, 4]], VPB[5, xm[3, 4]], VPB[5, xp[3, 5]], VPB[5, xm[3, 5]], 
 VPB[5, xp[4, 1]], VPB[5, xm[4, 1]], VPB[5, xp[4, 2]], VPB[5, xm[4, 2]], 
 VPB[5, xp[4, 3]], VPB[5, xm[4, 3]], VPB[5, xp[4, 5]], VPB[5, xm[4, 5]], 
 VPB[5, xp[5, 1]], VPB[5, xm[5, 1]], VPB[5, xp[5, 2]], VPB[5, xm[5, 2]], 
 VPB[5, xp[5, 3]], VPB[5, xm[5, 3]], VPB[5, xp[5, 4]], VPB[5, xm[5, 4]]}
