here base i.i: 1i 1 i 2 i1 3 i.1 4 i.i 10 Next: i1.i 11 i0 12 i0.1 13 i.1i 14 i.i1 15 i.0i 20 3: ii 21 ii.1 22 T 23 T1 24 T1.i 25 T.I 100 4: Ti.i 101 10 102 11 103 -I 110 5: -T.1 111 -1.i -i 112 1iT 113 1Ti.1 114 111 115 -10 116 100 200 Extra: -T 2 -1.TI