C222123232321333131133133313331323133313231323211113123132322232211   >>    C22212323232133313113313331333132313331323132321111312313232223221   <<    C222123232321333131133133313331323133313231323211113123132322232213   >>      C222123232321333131133133313331323133313231323211113123132322232212   >>