B33113313132313113313223313331323131323133313232233132313331322112121   >>    B3311331313231311331322331333132313132313331323223313231333132211212   <<    B33113313132313113313223313331323131323133313232233132313331322112123   >>      B33113313132313113313223313331323131323133313232233132313331322112122   >>