C1111133313331323223313331333133313331333131211113313331311222331323311   >>    C111113331333132322331333133313331333133313121111331333131122233132331   <<    C1111133313331323223313331333133313331333131211113313331311222331323313   >>      C1111133313331323223313331333133313331333131211113313331311222331323312   >>