B33113313132313113313223313331323133313223313231333133313331212111112121331   >>    B3311331313231311331322331333132313331322331323133313331333121211111212133   <<    B33113313132313113313223313331323133313223313231333133313331212111112121333   >>      B33113313132313113313223313331323133313223313231333133313331212111112121332   >>