C111113331333132322331333133313331311331322331333131133132313221212121   >>    C11111333133313232233133313331333131133132233133313113313231322121212   <<    C111113331333132322331333133313331311331322331333131133132313221212123   >>      C111113331333132322331333133313331311331322331333131133132313221212122   >>