C313212111113331323312111133133313331333133313331333133313331333131331111121   >>    C31321211111333132331211113313331333133313331333133313331333133313133111112   <<    C313212111113331323312111133133313331333133313331333133313331333131331111123   >>      C313212111113331323312111133133313331333133313331333133313331333131331111122   >>