C121212123112323223313132322331323331323331322331323132321223321   >>    C12121212311232322331313232233132333132333132233132313232122332   <<    C121212123112323223313132322331323331323331322331323132321223323   >>      C121212123112323223313132322331323331323331322331323132321223322   >>