C111113331333132322331333133313331311331311331323133313331313312121   >>    C11111333133313232233133313331333131133131133132313331333131331212   <<    C111113331333132322331333133313331311331311331323133313331313312123   >>      C111113331333132322331333133313331311331311331323133313331313312122   >>