C22212323232133313113313331333133313231323133313331121231221323112221331   >>    C2221232323213331311331333133313331323132313331333112123122132311222133   <<    C22212323232133313113313331333133313231323133313331121231221323112221333   >>      C22212323232133313113313331333133313231323133313331121231221323112221332   >>