1 1 contig \N 4 default_version,sequence_level 3 1 scaffold GRCh38 2 default_version 4 1 chromosome GRCh38 1 default_version 2 1 clone \N 3 default_version 12 1 chromosome GRCh37 5 117 1 chromosome NCBI36 6 1001 1 chromosome NCBI35 7 10001 1 chromosome NCBI34 8 10007 1 lrg \N 9 default_version