C312322331333132212111133133313331333133323213331322331311112113121   >>    C31232233133313221211113313331333133313332321333132233131111211312   <<    C312322331333132212111133133313331333133323213331322331311112113123   >>      C312322331333132212111133133313331333133323213331322331311112113122   >>