C222123232321333131133133313331323133313231323211113131122323221   >>    C22212323232133313113313331333132313331323132321111313112232322   <<    C222123232321333131133133313331323133313231323211113131122323223   >>      C222123232321333131133133313331323133313231323211113131122323222   >>