C12121212311232322331313232233132333132333132233132313113123231   >>    C1212121231123232233131323223313233313233313223313231311312323   <<    C12121212311232322331313232233132333132333132233132313113123233   >>      C12121212311232322331313232233132333132333132233132313113123232   >>