B33132212112331323223313211232333132313331322331333133313331322133313233332321   >>    B3313221211233132322331321123233313231333132233133313331333132213331323333232   <<    B33132212112331323223313211232333132313331322331333133313331322133313233332323   >>      B33132212112331323223313211232333132313331322331333133313331322133313233332322   >>