B33113313132313113313223313331323133313223313231333133313233232233132331221   >>    B3311331313231311331322331333132313331322331323133313331323323223313233122   <<    B33113313132313113313223313331323133313223313231333133313233232233132331223   >>      B33113313132313113313223313331323133313223313231333133313233232233132331222   >>