C222123232321333131133133313331333132313231333133311212312213122221123221   >>    C22212323232133313113313331333133313231323133313331121231221312222112322   <<    C222123232321333131133133313331333132313231333133311212312213122221123223   >>      C222123232321333131133133313331333132313231333133311212312213122221123222   >>