C313212111113331323312111133133313331333133313331333133313331333133321123233121   >>    C31321211111333132331211113313331333133313331333133313331333133313332112323312   <<    C313212111113331323312111133133313331333133313331333133313331333133321123233123   >>      C313212111113331323312111133133313331333133313331333133313331333133321123233122   >>