B33132212112331323223313211232333132313331322331333133313112113313232322131   >>    B3313221211233132322331321123233313231333132233133313331311211331323232213   <<    B33132212112331323223313211232333132313331322331333133313112113313232322133   >>      B33132212112331323223313211232333132313331322331333133313112113313232322132   >>