1: (5 10 15)

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

2: (3 11 8)

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

3: (5 10 15)

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

4: (4 19 6)

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