C22212323232133313113313331333133313231323133313331121231221312213123321   >>    C2221232323213331311331333133313331323132313331333112123122131221312332   <<    C22212323232133313113313331333133313231323133313331121231221312213123323   >>      C22212323232133313113313331333133313231323133313331121231221312213123322   >>