my @array = ("PSTR_0", "PSTR_1",   "PSTR_2","PSTR_3","PSTR_4", "PSTW_0","PSTW_1","PSTW_2","PSTW_3","PSTW_4",
"PWWD_3","PWWD_2","PWWD_1","PWWD_0");