C1111133313331323223313331333133313331323133313331311331333223213312331   >>    C111113331333132322331333133313331333132313331333131133133322321331233   <<    C1111133313331323223313331333133313331323133313331311331333223213312333   >>      C1111133313331323223313331333133313331323133313331311331333223213312332   >>