d1t0tv_    d1t0tw_    d1t0tx_    d1t0ty_    d1t0tz_ 
d1t0tv_           0.0        0.0        0.0        0.0        0.0 
d1t0tw_           0.0        0.0        0.0        4.0        2.0 
d1t0tx_           0.0        0.0        0.0        4.0        2.0 
d1t0ty_           0.0        4.0        4.0        0.0        0.0 
d1t0tz_           0.0        2.0        2.0        0.0        0.0