node[1    attr1,attr2=val2
node2]    attr1,attr2=val2
node[[3]  attr1,attr2=val2
node[4]]  attr1,attr2=val2
node[[5]] attr1,attr2=val2

node[6-7      attr1,attr2=val2
node8-9]      attr1,attr2=val2
node[[10-11]  attr1,attr2=val2
node[12-13]]  attr1,attr2=val2
node[[14-15]] attr1,attr2=val2
