chrI	15072419	/gbdb/ce4/ce4.2bit
chrII	15279316	/gbdb/ce4/ce4.2bit
chrIII	13783681	/gbdb/ce4/ce4.2bit
chrIV	17493784	/gbdb/ce4/ce4.2bit
chrM	13794	/gbdb/ce4/ce4.2bit
chrV	20919398	/gbdb/ce4/ce4.2bit
chrX	17718852	/gbdb/ce4/ce4.2bit
