1: (1 5 16)

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

2: (2 20 14)

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

3: (1 5 16)

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

4: (4 15 6)

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