cWW-R-tHH-L-L-cWW cWW-tHH-L-R-R-cWW
8 nucleotides
cWW-R-tHH-L-L-cWW cWW-tHH-L-R-R-cWW
3 basepairs
5 stacks
1 base-phosphate
1 base-ribose
2 instances
