digraph normalizedString { 

// pattern [label=""];
n0[label="grammars: W2 D8 2E PER 1E"];
n1[ label="seq"];
n0 -> n1;
n2[ label="1-1"];
n1 -> n2;
n3[ label="'x'"];
n2 -> n3;
n4[ label="1-1"];
n1 -> n4;
n5[ label="'x'"];
n4 -> n5;
n6[ label="1-1"];
n1 -> n6;
n7[ label="'x'"];
n6 -> n7;
 }