1: (1 11 15)

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

2: (8 20 14)

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

3: (13 15 17)

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

4: (0 19 6)

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