echo
----
db0.DelRangeUsingTombstone(ctx, tk(1), tk(3) /* @s1 */) // @0.000000002,0 <nil>
/Table/100/"000000000000000{1"-2"}/0.000000002,0 @ s1 <nil>
/Table/100/"000000000000000{2"-3"}/0.000000001,0 @ s1 <nil>
committed deleteRangeUsingTombstone non-atomic timestamps: [d][/Table/100/"0000000000000001",/Table/100/"0000000000000002"):0.000000002,0-><nil>@s1 [d][/Table/100/"0000000000000002",/Table/100/"0000000000000003"):0.000000001,0-><nil>@s1 [s]/Table/100/"000000000000000{1"-3"}:{gap:[<min>, <max>)}->[]
