B33132212112331323223313211232333132313331322331333133313231323132233132323221   >>    B3313221211233132322331321123233313231333132233133313331323132313223313232322   <<    B33132212112331323223313211232333132313331322331333133313231323132233132323223   >>      B33132212112331323223313211232333132313331322331333133313231323132233132323222   >>