C313212111113331323312111133133313331333133313331333133313331333131322231121   >>    C31321211111333132331211113313331333133313331333133313331333133313132223112   <<    C313212111113331323312111133133313331333133313331333133313331333131322231123   >>      C313212111113331323312111133133313331333133313331333133313331333131322231122   >>