D33132221323131133131323132321233131333132322331322331323132322121   >>    D3313222132313113313132313232123313133313232233132233132313232212   <<    D33132221323131133131323132321233131333132322331322331323132322123   >>      D33132221323131133131323132321233131333132322331322331323132322122   >>