1: (0 3 10)

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

2: (9 10 11)

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

3: (2 20 4)

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

4: (3 15 10)

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