X1 = (1.21,.61,.70\.92,.43,.71\.80,.35,.71\.85,.48,.68\.98,.42,.71\1.15,.52,.72\1.10,.50,.75\1.02,.53,.70\1.18,.45,.70\1.09,.40,.69)
X2 = (1.40,.50,.71\1.17,.39,.69\1.23,.44,.70\1.19,.37,.72\1.38,.42,.71\1.17,.45,.70\1.31,.41,.70\1.30,.47,.67\1.22,.29,.68\1.00,.30,.70\ 1.12,.27,.72\1.09,.35,.73)

#delimit ;
mat X1 = (
1.21,.61,.70\
.92,.43,.71\
.80,.35,.71\        
.85,.48,.68\
.98,.42,.71\
1.15,.52,.72\
1.10,.50,.75\   
1.02,.53,.70\
1.18,.45,.70\
1.09,.40,.69);
mat X2 = (
1.40,.50,.71\
1.17,.39,.69\
1.23,.44,.70\     
1.19,.37,.72\
1.38,.42,.71\
1.17,.45,.70\      
1.31,.41,.70\
1.30,.47,.67\
1.22,.29,.68\
1.00,.30,.70\ 
1.12,.27,.72\
1.09,.35,.73);
#delimit cr

X1 = {
1.21 .61 .70,
 .92 .43 .71,
 .80 .35 .71,
 .85 .48 .68,
 .98 .42 .71,
1.15 .52 .72,
1.10 .50 .75,
1.02 .53 .70,
1.18 .45 .70,
1.09 .40 .69};
X2 = {
1.40 .50 .71,
1.17 .39 .69,
1.23 .44 .70,
1.19 .37 .72,
1.38 .42 .71,
1.17 .45 .70,
1.31 .41 .70,
1.30 .47 .67,
1.22 .29 .68,
1.00 .30 .70,
1.12 .27 .72,
1.09 .35 .73};