C222123232321333131133133313331323133313231323231312323222131322121   >>    C22212323232133313113313331333132313331323132323131232322213132212   <<    C222123232321333131133133313331323133313231323231312323222131322123   >>      C222123232321333131133133313331323133313231323231312323222131322122   >>