C12121212311232322331313232233132333132333132233132313113313231311321   >>    C1212121231123232233131323223313233313233313223313231311331323131132   <<    C12121212311232322331313232233132333132333132233132313113313231311323   >>      C12121212311232322331313232233132333132333132233132313113313231311322   >>