1: (1 7 12)

(0 9 3)(1)(2 20 17)(4 19 6)(5 16 7 18 12)(8 14 10)(11 15 13)

2: (5 16 7)

(0 9 3)(1)(2 20 17)(4 19 6)(5 18 12)(7)(8 14 10)(11 15 13)(16)

3: (4 19 6)

(0 9 3)(1)(2 20 17)(4)(5 18 12)(6)(7)(8 14 10)(11 15 13)(16)(19)

4: (5 18 12)

(0 9 3)(1)(2 20 17)(4)(5)(6)(7)(8 14 10)(11 15 13)(12)(16)(18)(19)