1: (2 10 15)

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

2: (0 11 9)

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

3: (2 10 15)

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

4: (1 19 4)

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