B33132212112331323223313211232333132313331322331333133313331311331333132222321   >>    B3313221211233132322331321123233313231333132233133313331333131133133313222232   <<    B33132212112331323223313211232333132313331322331333133313331311331333132222323   >>      B33132212112331323223313211232333132313331322331333133313331311331333132222322   >>