D33132221323131133131323132321233131323223313223313233313311232111   >>    D3313222132313113313132313232123313132322331322331323331331123211   <<    D33132221323131133131323132321233131323223313223313233313311232113   >>      D33132221323131133131323132321233131323223313223313233313311232112   >>