C22212323232133313113313331333133313231323133313331121231221312113322321   >>    C2221232323213331311331333133313331323132313331333112123122131211332232   <<    C22212323232133313113313331333133313231323133313331121231221312113322323   >>      C22212323232133313113313331333133313231323133313331121231221312113322322   >>