B331322121123313232233132112323331323133313223313331333133313222212321   >>    B33132212112331323223313211232333132313331322331333133313331322221232   <<    B331322121123313232233132112323331323133313223313331333133313222212323   >>      B331322121123313232233132112323331323133313223313331333133313222212322   >>