C31321211113313121133133313331333133313221211331333132221123121   >>    C3132121111331312113313331333133313331322121133133313222112312   <<    C31321211113313121133133313331333133313221211331333132221123123   >>      C31321211113313121133133313331333133313221211331333132221123122   >>