B33113313132313113313223313331323133313221323331333132313232211331   >>    B3311331313231311331322331333132313331322132333133313231323221133   <<    B33113313132313113313223313331323133313221323331333132313232211333   >>      B33113313132313113313223313331323133313221323331333132313232211332   >>