C222123232321333131133133313331333132313231333133311212312213122231232211   >>    C22212323232133313113313331333133313231323133313331121231221312223123221   <<    C222123232321333131133133313331333132313231333133311212312213122231232213   >>      C222123232321333131133133313331333132313231333133311212312213122231232212   >>