C121212123112323223313132322331323331323331322331323331311213221   >>    C12121212311232322331313232233132333132333132233132333131121322   <<    C121212123112323223313132322331323331323331322331323331311213223   >>      C121212123112323223313132322331323331323331322331323331311213222   >>