C222123232321333131133133313331333132313231333133311212312213213112211   >>    C22212323232133313113313331333133313231323133313331121231221321311221   <<    C222123232321333131133133313331333132313231333133311212312213213112213   >>      C222123232321333131133133313331333132313231333133311212312213213112212   >>