B33132212112331323223313211232333132313331322331333133313231321123121   >>    B3313221211233132322331321123233313231333132233133313331323132112312   <<    B33132212112331323223313211232333132313331322331333133313231321123123   >>      B33132212112331323223313211232333132313331322331333133313231321123122   >>