8324, 8342, 8423, 8432, 8234, 8243, 8888, 8388, 8838, 8883, 8288, 8828, 8882, 8488. 8848, 8884...
4832, 4823, 4382, 4328, 4283, 4238, 4444, 4844, 4484, 4448, 4344, 4434, 4443, 4244, 4424, 4442...
3842, 3824, 3482, 3428, 3248, 3284, 3333, 3833, 3383, 3338, 3433, 3343, 3334, 3233, 3323, 3332.
2843, 2834, 2483, 2438, 2384, 2348, 2222, 2822, 2282, 2228, 2422, 2242, 2224, 2322, 2232, 2223.