1Array( [0] => 0 [1] => 0 [2] => 0) a, b, c, d,!!
2Array( [0] => 0 [1] => 0 [2] => 0)a a,a b,a c,a d,0@@
3Array( [0] => 1 [1] => 0 [2] => 0)b a,b b,b c,b d,0@@
4Array( [0] => 2 [1] => 0 [2] => 0)c a,c b,c c,c d,0@@
5Array( [0] => 3 [1] => 0 [2] => 0)d a,d b,d c,d d,UP0@@
6Array( [0] => 0 [1] => 0 [2] => 0)aa a,aa b,aa c,aa d,1@@
7Array( [0] => 0 [1] => 1 [2] => 0)ab a,ab b,ab c,ab d,1@@
8Array( [0] => 0 [1] => 2 [2] => 0)ac a,ac b,ac c,ac d,1@@
9Array( [0] => 0 [1] => 3 [2] => 0)ad a,ad b,ad c,ad d,1@@
10Array( [0] => 1 [1] => 0 [2] => 0)ba a,ba b,ba c,ba d,1@@
11Array( [0] => 1 [1] => 1 [2] => 0)bb a,bb b,bb c,bb d,1@@
12Array( [0] => 1 [1] => 2 [2] => 0)bc a,bc b,bc c,bc d,1@@
13Array( [0] => 1 [1] => 3 [2] => 0)bd a,bd b,bd c,bd d,1@@
14Array( [0] => 2 [1] => 0 [2] => 0)ca a,ca b,ca c,ca d,1@@
15Array( [0] => 2 [1] => 1 [2] => 0)cb a,cb b,cb c,cb d,1@@
16Array( [0] => 2 [1] => 2 [2] => 0)cc a,cc b,cc c,cc d,1@@
17Array( [0] => 2 [1] => 3 [2] => 0)cd a,cd b,cd c,cd d,1@@
18Array( [0] => 3 [1] => 0 [2] => 0)da a,da b,da c,da d,1@@
19Array( [0] => 3 [1] => 1 [2] => 0)db a,db b,db c,db d,1@@
20Array( [0] => 3 [1] => 2 [2] => 0)dc a,dc b,dc c,dc d,1@@
21Array( [0] => 3 [1] => 3 [2] => 0)dd a,dd b,dd c,dd d,UP1@@
22Array( [0] => 0 [1] => 0 [2] => 0)aaa a,aaa b,aaa c,aaa d,2@@
23Array( [0] => 0 [1] => 0 [2] => 1)aab a,aab b,aab c,aab d,2@@
24Array( [0] => 0 [1] => 0 [2] => 2)aac a,aac b,aac c,aac d,2@@
25Array( [0] => 0 [1] => 0 [2] => 3)aad a,aad b,aad c,aad d,2@@
26Array( [0] => 0 [1] => 1 [2] => 0)aba a,aba b,aba c,aba d,2@@
27Array( [0] => 0 [1] => 1 [2] => 1)abb a,abb b,abb c,abb d,2@@
28Array( [0] => 0 [1] => 1 [2] => 2)abc a,abc b,abc c,abc d,2@@
29Array( [0] => 0 [1] => 1 [2] => 3)abd a,abd b,abd c,abd d,2@@
30Array( [0] => 0 [1] => 2 [2] => 0)aca a,aca b,aca c,aca d,2@@
31Array( [0] => 0 [1] => 2 [2] => 1)acb a,acb b,acb c,acb d,2@@
32Array( [0] => 0 [1] => 2 [2] => 2)acc a,acc b,acc c,acc d,2@@
33Array( [0] => 0 [1] => 2 [2] => 3)acd a,acd b,acd c,acd d,2@@
34Array( [0] => 0 [1] => 3 [2] => 0)ada a,ada b,ada c,ada d,2@@
35Array( [0] => 0 [1] => 3 [2] => 1)adb a,adb b,adb c,adb d,2@@
36Array( [0] => 0 [1] => 3 [2] => 2)adc a,adc b,adc c,adc d,2@@
37Array( [0] => 0 [1] => 3 [2] => 3)add a,add b,add c,add d,2@@
38Array( [0] => 1 [1] => 0 [2] => 0)baa a,baa b,baa c,baa d,2@@
39Array( [0] => 1 [1] => 0 [2] => 1)bab a,bab b,bab c,bab d,2@@
40Array( [0] => 1 [1] => 0 [2] => 2)bac a,bac b,bac c,bac d,2@@
41Array( [0] => 1 [1] => 0 [2] => 3)bad a,bad b,bad c,bad d,2@@
42Array( [0] => 1 [1] => 1 [2] => 0)bba a,bba b,bba c,bba d,2@@
43Array( [0] => 1 [1] => 1 [2] => 1)bbb a,bbb b,bbb c,bbb d,2@@
44Array( [0] => 1 [1] => 1 [2] => 2)bbc a,bbc b,bbc c,bbc d,2@@
45Array( [0] => 1 [1] => 1 [2] => 3)bbd a,bbd b,bbd c,bbd d,2@@
46Array( [0] => 1 [1] => 2 [2] => 0)bca a,bca b,bca c,bca d,2@@
47Array( [0] => 1 [1] => 2 [2] => 1)bcb a,bcb b,bcb c,bcb d,2@@
48Array( [0] => 1 [1] => 2 [2] => 2)bcc a,bcc b,bcc c,bcc d,2@@
49Array( [0] => 1 [1] => 2 [2] => 3)bcd a,bcd b,bcd c,bcd d,2@@
50Array( [0] => 1 [1] => 3 [2] => 0)bda a,bda b,bda c,bda d,2@@
51Array( [0] => 1 [1] => 3 [2] => 1)bdb a,bdb b,bdb c,bdb d,2@@
52Array( [0] => 1 [1] => 3 [2] => 2)bdc a,bdc b,bdc c,bdc d,2@@
53Array( [0] => 1 [1] => 3 [2] => 3)bdd a,bdd b,bdd c,bdd d,2@@
54Array( [0] => 2 [1] => 0 [2] => 0)caa a,caa b,caa c,caa d,2@@
55Array( [0] => 2 [1] => 0 [2] => 1)cab a,cab b,cab c,cab d,2@@
56Array( [0] => 2 [1] => 0 [2] => 2)cac a,cac b,cac c,cac d,2@@
57Array( [0] => 2 [1] => 0 [2] => 3)cad a,cad b,cad c,cad d,2@@
58Array( [0] => 2 [1] => 1 [2] => 0)cba a,cba b,cba c,cba d,2@@
59Array( [0] => 2 [1] => 1 [2] => 1)cbb a,cbb b,cbb c,cbb d,2@@
60Array( [0] => 2 [1] => 1 [2] => 2)cbc a,cbc b,cbc c,cbc d,2@@
61Array( [0] => 2 [1] => 1 [2] => 3)cbd a,cbd b,cbd c,cbd d,2@@
62Array( [0] => 2 [1] => 2 [2] => 0)cca a,cca b,cca c,cca d,2@@
63Array( [0] => 2 [1] => 2 [2] => 1)ccb a,ccb b,ccb c,ccb d,2@@
64Array( [0] => 2 [1] => 2 [2] => 2)ccc a,ccc b,ccc c,ccc d,2@@
65Array( [0] => 2 [1] => 2 [2] => 3)ccd a,ccd b,ccd c,ccd d,2@@
66Array( [0] => 2 [1] => 3 [2] => 0)cda a,cda b,cda c,cda d,2@@
67Array( [0] => 2 [1] => 3 [2] => 1)cdb a,cdb b,cdb c,cdb d,2@@
68Array( [0] => 2 [1] => 3 [2] => 2)cdc a,cdc b,cdc c,cdc d,2@@
69Array( [0] => 2 [1] => 3 [2] => 3)cdd a,cdd b,cdd c,cdd d,2@@
70Array( [0] => 3 [1] => 0 [2] => 0)daa a,daa b,daa c,daa d,2@@
71Array( [0] => 3 [1] => 0 [2] => 1)dab a,dab b,dab c,dab d,2@@
72Array( [0] => 3 [1] => 0 [2] => 2)dac a,dac b,dac c,dac d,2@@
73Array( [0] => 3 [1] => 0 [2] => 3)dad a,dad b,dad c,dad d,2@@
74Array( [0] => 3 [1] => 1 [2] => 0)dba a,dba b,dba c,dba d,2@@
75Array( [0] => 3 [1] => 1 [2] => 1)dbb a,dbb b,dbb c,dbb d,2@@
76Array( [0] => 3 [1] => 1 [2] => 2)dbc a,dbc b,dbc c,dbc d,2@@
77Array( [0] => 3 [1] => 1 [2] => 3)dbd a,dbd b,dbd c,dbd d,2@@
78Array( [0] => 3 [1] => 2 [2] => 0)dca a,dca b,dca c,dca d,2@@
79Array( [0] => 3 [1] => 2 [2] => 1)dcb a,dcb b,dcb c,dcb d,2@@
80Array( [0] => 3 [1] => 2 [2] => 2)dcc a,dcc b,dcc c,dcc d,2@@
81Array( [0] => 3 [1] => 2 [2] => 3)dcd a,dcd b,dcd c,dcd d,2@@
82Array( [0] => 3 [1] => 3 [2] => 0)dda a,dda b,dda c,dda d,2@@
83Array( [0] => 3 [1] => 3 [2] => 1)ddb a,ddb b,ddb c,ddb d,2@@
84Array( [0] => 3 [1] => 3 [2] => 2)ddc a,ddc b,ddc c,ddc d,2@@
84Array( [0] => 3 [1] => 3 [2] => 3)ddd||