B331322121123313232233132112323331323133313223313331333133313222313111   >>    B33132212112331323223313211232333132313331322331333133313331322231311   <<    B331322121123313232233132112323331323133313223313331333133313222313113   >>      B331322121123313232233132112323331323133313223313331333133313222313112   >>