1: (3 6 13)

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

2: (5 20 7)

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

3: (3 6 13)

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

4: (1 8 4)

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