C111123313331323113313331333132313331311331312111133132313332231   >>    C11112331333132311331333133313231333131133131211113313231333223   <<    C111123313331323113313331333132313331311331312111133132313332233   >>      C111123313331323113313331333132313331311331312111133132313332232   >>