C222123232321333131133133313331323133313231323133311322321112112121   >>    C22212323232133313113313331333132313331323132313331132232111211212   <<    C222123232321333131133133313331323133313231323133311322321112112123   >>      C222123232321333131133133313331323133313231323133311322321112112122   >>