$ OUT=$(smenu -n 20 t0018.in)

abccb aaacc cbaba acbaa baabc cabac ccaac abaca cabac acbac bacbc cacbb acaca 
0:0723 1:07 2:07 3:07 4:0723 67:23 70:23 
bbaaa aabcc acccb abacc cacac bccbc cccaa abcbc bcccc babab cacba bacbb cbcba 
12:23 16:23 57:23 58:23 67:23 70:23 
aaabc bcbba cabbb caaac acacb abbaa acaab ccaab caabc bcacc baabb abaca abaac 
13:23 16:23 26:23 28:23 39:23 40:23 45:23 46:23 62:23 64:23 
cccba bccac bbcca bccac caccb cbbab cbacc cccac abaac bbbcb cbbba bcbcb acbac 
25:23 28:23 33:23 34:23 
bcbbb caaca accbc bbccc aacca bbcbc cbbcc ccaaa aaacb caacc accaa cabab accca 
50:23 52:23 69:23 70:23 
bcbbb babcc ccabb cacba abbaa cbcab caccc ababc babba ccbca abcba aabca acaac 
14:23 16:23 33:23 34:23 
accab abacc aabaa aaaca aabaa babcc acbac caacb ccbcc bbacc aabaa aabcb ccaab 
3:23 4:23 44:23 46:23 67:23 70:23 75:23 76:23 
cbbbb abcab bcaab babbc babab ccbcc accbc aabac cbaab 
9:23 10:23 15:23 16:23 27:23 28:23 51:23 52:23 
$ 

$ echo ":$OUT:"

:abccb:

$ exit 0