list(tau = 1, alpha0 = 0, alpha1 = 0, 
b=c(0,0,0,0,0,NA,0,NA,0,0,
    NA,0,0,0,0,0,0,0,0,0,
    0,0,0,0,0,0,0,0,0,0,
    0,0,0,0,0,0,0,0,0,0,
    0,0,0,0,0,0,0,0,0,0,
    0,0,0,0,0,0))