C222123232321333131133133313331323133313231323231312323223232331   >>    C22212323232133313113313331333132313331323132323131232322323233   <<    C222123232321333131133133313331323133313231323231312323223232333   >>      C222123232321333131133133313331323133313231323231312323223232332   >>