B33113313132313113313223313331323133313223313231333133313232233131111213221   >>    B3311331313231311331322331333132313331322331323133313331323223313111121322   <<    B33113313132313113313223313331323133313223313231333133313232233131111213223   >>      B33113313132313113313223313331323133313223313231333133313232233131111213222   >>