C222123232321333131133133313331323133313231323211113132322232211   >>    C22212323232133313113313331333132313331323132321111313232223221   <<    C222123232321333131133133313331323133313231323211113132322232213   >>      C222123232321333131133133313331323133313231323211113132322232212   >>