t 0 @ 4 table bed "Browser Extensible Data" ( string chrom; "Reference sequence chromosome or scaffold" uint chromStart; "Start position in chromosome" uint chromEnd; "End position in chromosome" ) xr ? ? xr4A xr4A@ x chr1 chr10 .chr11 B chr12 chr13 chr14 [achr15 Cchr16 )tbchr17 ahchr18 %fchr19 o~chr2 yochr20 Wchr21 chr22 mchr3 chr4 qVchr5 chr6 J. chr7 5m chr8 ̣chr9 ]?chrX L chrY 8i x5{Xך6w.tCJ*gt>&9؆Jj!$*1d6VCQ3~{_uo Y#2k@AuKSvSlNq[`R` ư2S,c졨p)gkxh߃Y#UA'tѩ[wv;Sg+!f a_6CeFjAF"l4ag- +HAP ^2\Gh8b((x F3r)vRtK]=