1: (3 8 15)

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

2: (2 10 4)

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

3: (0 8 7)

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

4: (1 19 5)

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