C12121212311232322331313232233132333132333132233131323131333131   >>    C1212121231123232233131323223313233313233313223313132313133313   <<    C12121212311232322331313232233132333132333132233131323131333133   >>      C12121212311232322331313232233132333132333132233131323131333132   >>