1          /$2o$3.
2$1        /$2sssso$3-
3$1      /$2ossssssso$3:
4$1    /$2ssssssssssso$3+
5$1  /$2ssssssssssssssso$3+
6$1//$2osssssssssssssso$3+-
7 `+++++++++++++++-`