C111123313331323113313331333132313331311331312111133132222123231   >>    C11112331333132311331333133313231333131133131211113313222212323   <<    C111123313331323113313331333132313331311331312111133132222123233   >>      C111123313331323113313331333132313331311331312111133132222123232   >>