C12121212311232322331313232233132333132333132233132333131331123233321   >>    C1212121231123232233131323223313233313233313223313233313133112323332   <<    C12121212311232322331313232233132333132333132233132333131331123233323   >>      C12121212311232322331313232233132333132333132233132333131331123233322   >>