1Dense-seg ::= {
2  dim 2,
3  numseg 2,
4  ids {
5    local id 1,
6    local id 2
7  },
8  starts {
9    10,
10    10,
11    12,
12    12
13  },
14  lens {
15    2,
16    2
17  },
18  strands {
19    plus,
20    plus,
21    plus,
22    plus
23  }
24}
25