===== case 0000 | tool=1 =====
tool 1 -> T0101  (t_number 101)
===== case 0001 | tool=2 =====
tool 2 -> T0202  (t_number 202)
===== case 0002 | tool=3 =====
tool 3 -> T0303  (t_number 303)
===== case 0003 | tool=11 =====
tool 11 -> T1111  (t_number 1111)
===== case 0004 | tool=20 =====
tool 20 -> T2020  (t_number 2020)
