B33132212112331323223313211232333132313331322331333133313231323221312311   >>    B3313221211233132322331321123233313231333132233133313331323132322131231   <<    B33132212112331323223313211232333132313331322331333133313231323221312313   >>      B33132212112331323223313211232333132313331322331333133313231323221312312   >>