C313212111113331323312111133133313331333133313331333133313331333133112213111221   >>    C31321211111333132331211113313331333133313331333133313331333133313311221311122   <<    C313212111113331323312111133133313331333133313331333133313331333133112213111223   >>      C313212111113331323312111133133313331333133313331333133313331333133112213111222   >>