C13332313311211113313331333133313331323233121111331333132222123313221221   >>    C1333231331121111331333133313331333132323312111133133313222212331322122   <<    C13332313311211113313331333133313331323233121111331333132222123313221223   >>      C13332313311211113313331333133313331323233121111331333132222123313221222   >>