digraph yearMonthDuration_w3 { 

// pattern [label=""];
n0[label="grammars: W2 D8 2E PER 1E"];
n1[ label="seq"];
n0 -> n1;
n2[ label="0-1"];
n1 -> n2;
n3[ label="'-'"];
n2 -> n3;
n4[ label="1-1"];
n1 -> n4;
n5[ label="'P'"];
n4 -> n5;
n6[ label="1-*"];
n1 -> n6;
n7[ label="[0-9]"];
n6 -> n7;
n10[ label="1-1"];
n1 -> n10;
n11[ label="re"];
n10 -> n11;
n12[ label="or"];
n11 -> n12;
n13[ label="seq"];
n12 -> n13;
n14[ label="1-1"];
n13 -> n14;
n15[ label="'Y'"];
n14 -> n15;
n16[ label="0-1"];
n13 -> n16;
n17[ label="re"];
n16 -> n17;
n18[ label="seq"];
n17 -> n18;
n19[ label="1-*"];
n18 -> n19;
n20[ label="[0-9]"];
n19 -> n20;
n23[ label="1-1"];
n18 -> n23;
n24[ label="'M'"];
n23 -> n24;
n25[ label="seq"];
n12 -> n25;
n26[ label="1-1"];
n25 -> n26;
n27[ label="'M'"];
n26 -> n27;
 }