1: (5 11 16)

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

2: (4 12 8)

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

3: (5 11 16)

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

4: (7 17 15)

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