C1111133313331323223313331333133313331323133313331311331333223213231211   >>    C111113331333132322331333133313331333132313331333131133133322321323121   <<    C1111133313331323223313331333133313331323133313331311331333223213231213   >>      C1111133313331323223313331333133313331323133313331311331333223213231212   >>