1: (1 9 15)

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

2: (4 20 11)

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

3: (10 18 12)

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

4: (1 19 17)

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