1: (4 10 16)

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

2: (2 11 9)

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

3: (4 10 16)

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

4: (0 7 3)

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