B3311331313231311331322331333132313331322331323133313331333121211111232231   >>    B331133131323131133132233133313231333132233132313331333133312121111123223   <<    B3311331313231311331322331333132313331322331323133313331333121211111232233   >>      B3311331313231311331322331333132313331322331323133313331333121211111232232   >>