C222123232321333131133133313331323133313231323213113331123121121   >>    C22212323232133313113313331333132313331323132321311333112312112   <<    C222123232321333131133133313331323133313231323213113331123121123   >>      C222123232321333131133133313331323133313231323213113331123121122   >>