54
abcde
aecdb
adceb
adbec
aecbd
abced
abdec
acbed
becda
adcbe
decba
bacde
bedca
ebcda
acedb
cedba
bcdea
cbdea
beadc
eacdb
bedac
dacbe
aebcd
decab
cdbea
daceb
abecd
cdaeb
bcdae
cbeda
cbade
cdeab
baced
acdeb
cabde
dcaeb
cdbae
aedbc
ebadc
acbde
dbcea
cdabe
debca
cadeb
ceabd
bdcea
cebda
badce
ecbad
bdeac
abdce
bcaed
ceadb
ebdca
