{$0=/K/?"J10K9K11L10":/G/?"F1G2H3J1J4K3L1L2":"D5E4E6F4F7G4G5G8H3H8J4J7J8K5K9L6L9M6M9N6N8O5O8P4P7Q3Q6R2R5S1S4T3"
gsub(/[0-9]+/,"&\n")}NR<2