1: (6 11 15)

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

2: (10 20 11)

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

3: (9 16 12)

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

4: (4 13 7)

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