1: (0 7 20)

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

2: (1 20 11)

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

3: (6 19 9)

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

4: (0 11 5)

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