C313212111113331323312111133133313331333133313331333133313331333221123121   >>    C31321211111333132331211113313331333133313331333133313331333133322112312   <<    C313212111113331323312111133133313331333133313331333133313331333221123123   >>      C313212111113331323312111133133313331333133313331333133313331333221123122   >>