private void decoderChar(char c1,char c2,char[][] c) {
		int t11;
		int t12;
		int t21;
		int t22;
		this.chercheTab(c, c1);
		t11=this.i1;
		t12=this.i2;
		this.chercheTab(c, c2);
		t21=this.i1;
		t22=this.i2;
		if(t11==t21) {
			if(t12==0) {
				this.t1=c[t11][4];
			}
			else{
				this.t1=c[t11][(t12-1)%5];
			}
			if(t22==0) {
				this.t2=c[t21][4];
			}
			else {
				this.t2=c[t21][(t22-1)%5];
			}
		}
		else {
			if(t12==t22) {
				if(t11==0) {
					this.t1=c[4][t12];
				}
				else {
					this.t1=c[(t11-1)%5][t12];
				}
				if(t21==0) {
					this.t2=c[4][t22];
				}
				else {
					this.t2=c[(t21-1)%5][t22];
				}

			}
			else {
				this.t1=c[t11][t22];
				this.t2=c[t21][t12];
			}
		}
	}