B33113313132313113313223313331323133313223313231333133313232233121112331   >>    B3311331313231311331322331333132313331322331323133313331323223312111233   <<    B33113313132313113313223313331323133313223313231333133313232233121112333   >>      B33113313132313113313223313331323133313223313231333133313232233121112332   >>