D33132221323131133131323132321233131323223313223313133313111221   >>    D3313222132313113313132313232123313132322331322331313331311122   <<    D33132221323131133131323132321233131323223313223313133313111223   >>      D33132221323131133131323132321233131323223313223313133313111222   >>