B33132212112331323223313211232333132313331322331333133313331323123231331121   >>    B3313221211233132322331321123233313231333132233133313331333132312323133112   <<    B33132212112331323223313211232333132313331322331333133313331323123231331123   >>      B33132212112331323223313211232333132313331322331333133313331323123231331122   >>