C222123232321333131133133313331323133313231323211113131232333221   >>    C22212323232133313113313331333132313331323132321111313123233322   <<    C222123232321333131133133313331323133313231323211113131232333223   >>      C222123232321333131133133313331323133313231323211113131232333222   >>