B33132212112331323223313211232333132313331322331333133313331311212111111323131   >>    B3313221211233132322331321123233313231333132233133313331333131121211111132313   <<    B33132212112331323223313211232333132313331322331333133313331311212111111323133   >>      B33132212112331323223313211232333132313331322331333133313331311212111111323132   >>