B33113313132313113313223313331323331323112113313331323223313231333112323221211   >>    B3311331313231311331322331333132333132311211331333132322331323133311232322121   <<    B33113313132313113313223313331323331323112113313331323223313231333112323221213   >>      B33113313132313113313223313331323331323112113313331323223313231333112323221212   >>