0 0 0 0 0 0 0 0 0]BX]J0]d⊂↑π!7"∩ "0h"8@¬~S    M                                                                                                                                                                                                                                                                                                                                                                  
 x!⊂ 0 tQua X!⊂ x≤4|-1 0 X!⊂ 0≤4|-1 0 X!⊂ P≤4|-1 0 X!⊂ X≤4|-1 0 X!⊂ p≤4|-1 0 X!⊂ t≤4|-1 0 X!∩↑n↑l | X