Neo4j generate node/relation with lot of property,label & relation type

generate.sh

#!bin/bash
echo "CREATE CONSTRAINT ON (n:Test) ASSERT n.node IS UNIQUE;"
for i in {1..1000}
do
   echo "create (:Test:Test$i {"
   for j in {1..20}
   do
    echo "property$i$j : 'test',"
   done
   echo " node:'$i'});"

   if [[ $i > 2 ]]; then
     prec=$(($i-1))
     echo "MATCH (n:Test {node:'$prec'}), (m:Test {node:'$i'}) CREATE (n)-[:RELTYPE_$i]->(m);"
   fi
done