Node with several parents and childs A a1 a2 B b1 b2 b3 b4 C c1 c2 c3 D d1 d2 d3 E e1 e2 e3 e4 F f1 f2 f3 G g1 g2 A .1 .2 B .01 .02 .03 .04 C .11 .22 .33 D A B C .522 .008 .99 .01 .2 .8 .003 .457 .423 .007 .92 .04 .5 .232 .033 .227 .112 .048 .91 .21 .24 .18 .005 .227 .212 .04 .59 .21 .6 .1 .023 .215 .913 .017 .96 .01 .55 .422 .013 .417 .272 .068 .61 .11 .26 .28 .205 .322 .142 .028 .19 .11 .5 .67 .013 .437 .163 .067 .12 .06 .1 .262 .063 .167 .512 .028 .11 .41 .14 .68 .015 .92 E D .111 .11 .1 .222 .22 .2 .333 .33 .3 .444 .44 .4 F D .112 .111 .110 .223 .222 .221 .334 .333 .332 G D .101 .102 .103 .201 .202 .203