C111123313331323113313331323133313331311331311331333132313231333131133221   >>    C11112331333132311331333132313331333131133131133133313231323133313113322   <<    C111123313331323113313331323133313331311331311331333132313231333131133223   >>      C111123313331323113313331323133313331311331311331333132313231333131133222   >>