C313212111113331323312111133133313331333133313331333133313331333133313321321221   >>    C31321211111333132331211113313331333133313331333133313331333133313331332132122   <<    C313212111113331323312111133133313331333133313331333133313331333133313321321223   >>      C313212111113331323312111133133313331333133313331333133313331333133313321321222   >>