B331322121123313232233132112323331323133313223313331333133313112121111111311   >>    B33132212112331323223313211232333132313331322331333133313331311212111111131   <<    B331322121123313232233132112323331323133313223313331333133313112121111111313   >>      B331322121123313232233132112323331323133313223313331333133313112121111111312   >>