1: (1 5 8)

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

2: (4 10 7)

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

3: (1 5 8)

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

4: (3 19 6)

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