36
abcdef
abedcf
ebadcf
adcbef
dbcaef
acedbf
acdbef
abcfed
afcbed
adcbfe
abcedf
cbdaef
cbadef
ebafcd
abfced
dfcaeb
fbceda
bfcaed
abfdec
bcdaef
ecadbf
dfceab
dbeacf
aecfbd
dbfcea
decfab
abdcef
cbfaed
abcfde
cbfdea
cbaedf
fcadbe
acbfde
bacdef
acbedf
adcfbe
