C12121212311232322331313232233132333132333132233132311331323133313111121   >>    C1212121231123232233131323223313233313233313223313231133132313331311112   <<    C12121212311232322331313232233132333132333132233132311331323133313111123   >>      C12121212311232322331313232233132333132333132233132311331323133313111122   >>