C12121212311232322331313232233132333132333132233131323132313331312131   >>    C1212121231123232233131323223313233313233313223313132313231333131213   <<    C12121212311232322331313232233132333132333132233131323132313331312133   >>      C12121212311232322331313232233132333132333132233131323132313331312132   >>