C221212331313232233132333132311331323331333131133132313231232322121   >>    C22121233131323223313233313231133132333133313113313231323123232212   <<    C221212331313232233132333132311331323331333131133132313231232322123   >>      C221212331313232233132333132311331323331333131133132313231232322122   >>