C313212111113331323312111133133313331333133313331333133313331333131111331333121   >>    C31321211111333132331211113313331333133313331333133313331333133313111133133312   <<    C313212111113331323312111133133313331333133313331333133313331333131111331333123   >>      C313212111113331323312111133133313331333133313331333133313331333131111331333122   >>