C222123232321333131133133313331333132313231333133311212312213213133312121   >>    C22212323232133313113313331333133313231323133313331121231221321313331212   <<    C222123232321333131133133313331333132313231333133311212312213213133312123   >>      C222123232321333131133133313331333132313231333133311212312213213133312122   >>