1: (0 3 10)

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

2: (1 11 9)

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

3: (2 20 4)

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

4: (3 15 5)

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