C31321211111333132331211113313331333133313223313331333132311312112211231233121   >>    C3132121111133313233121111331333133313331322331333133313231131211221123123312   <<    C31321211111333132331211113313331333133313223313331333132311312112211231233123   >>      C31321211111333132331211113313331333133313223313331333132311312112211231233122   >>