c in str step 1
t
s in substr(str,2) step 2
e
h in hybrid step 3
t
c in str step 1
e
s in substr(str,2) step 2
e
h in hybrid step 3
t
c in str step 1
s
s in substr(str,2) step 2
e
h in hybrid step 3
t
c in str step 1
t
s in substr(str,2) step 2
e
h in hybrid step 3
t
