1: (3 11 15)

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

2: (5 16 14)

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

3: (3 11 15)

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

4: (1 7 4)

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