C313212111113331323312111133133313331333133313331333133313331322232212231   >>    C31321211111333132331211113313331333133313331333133313331333132223221223   <<    C313212111113331323312111133133313331333133313331333133313331322232212233   >>      C313212111113331323312111133133313331333133313331333133313331322232212232   >>