B33132212112331323223313211232333132313331322331333133313231323132233132323321   >>    B3313221211233132322331321123233313231333132233133313331323132313223313232332   <<    B33132212112331323223313211232333132313331322331333133313231323132233132323323   >>      B33132212112331323223313211232333132313331322331333133313231323132233132323322   >>