C12121212311232322331313232233132333132333132233131232313231323321   >>    C1212121231123232233131323223313233313233313223313123231323132332   <<    C12121212311232322331313232233132333132333132233131232313231323323   >>      C12121212311232322331313232233132333132333132233131232313231323322   >>