C313212111113331323312111133133313331333133313331333133313331333211333121   >>    C31321211111333132331211113313331333133313331333133313331333133321133312   <<    C313212111113331323312111133133313331333133313331333133313331333211333123   >>      C313212111113331323312111133133313331333133313331333133313331333211333122   >>