C111113331333132322331333133313331311331322331311331311331311331323221221211121   >>    C11111333133313232233133313331333131133132233131133131133131133132322122121112   <<    C111113331333132322331333133313331311331322331311331311331311331323221221211123   >>      C111113331333132322331333133313331311331322331311331311331311331323221221211122   >>