C222123232321333131133133313331323133313231323211113111123123221   >>    C22212323232133313113313331333132313331323132321111311112312322   <<    C222123232321333131133133313331323133313231323211113111123123223   >>      C222123232321333131133133313331323133313231323211113111123123222   >>