B33113313132313113313223313331323132313233313112331323223313231323221111231   >>    B3311331313231311331322331333132313231323331311233132322331323132322111123   <<    B33113313132313113313223313331323132313233313112331323223313231323221111233   >>      B33113313132313113313223313331323132313233313112331323223313231323221111232   >>