B33113313132313113313223313331323223313221123313231323132313231323132313331   >>    B3311331313231311331322331333132322331322112331323132313231323132313231333   <<    B33113313132313113313223313331323223313221123313231323132313231323132313333   >>      B33113313132313113313223313331323223313221123313231323132313231323132313332   >>