C313212111113331323312111133133313331333133313331333133313331311221123121   >>    C31321211111333132331211113313331333133313331333133313331333131122112312   <<    C313212111113331323312111133133313331333133313331333133313331311221123123   >>      C313212111113331323312111133133313331333133313331333133313331311221123122   >>