C222123232321333131133133313331333132313231333133311212312213231122221121   >>    C22212323232133313113313331333133313231323133313331121231221323112222112   <<    C222123232321333131133133313331333132313231333133311212312213231122221123   >>      C222123232321333131133133313331333132313231333133311212312213231122221122   >>