C222123232321333131133133313331323133313231323211113113211231221   >>    C22212323232133313113313331333132313331323132321111311321123122   <<    C222123232321333131133133313331323133313231323211113113211231223   >>      C222123232321333131133133313331323133313231323211113113211231222   >>