B33132212112331323223313211232333132313331322331333133313232233132322331322121   >>    B3313221211233132322331321123233313231333132233133313331323223313232233132212   <<    B33132212112331323223313211232333132313331322331333133313232233132322331322123   >>      B33132212112331323223313211232333132313331322331333133313232233132322331322122   >>