1Dense-seg ::= { 2 dim 2, 3 numseg 2, 4 ids { 5 local id 1, 6 local id 2 7 }, 8 starts { 9 0, 10 1, 11 3, 12 0 13 }, 14 lens { 15 2, 16 1 17 }, 18 strands { 19 plus, 20 minus, 21 plus, 22 minus 23 } 24} 25