1: (1 5 11)

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

2: (2 15 6)

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

3: (10 19 12)

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

4: (1 9 3)

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