1: (5 11 20)

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

2: (4 13 6)

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

3: (10 15 12)

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

4: (3 8 11)

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