1: (1 5 10)

(0 20 2)(1 8 5 7 3)(4 15 14 12 9)(6 18 16 13 11)(10)(17 21 19)

2: (4 15 9)

(0 20 2)(1 8 5 7 3)(4)(6 18 16 13 11)(9 14 12)(10)(15)(17 21 19)

3: (3 5 7)

(0 20 2)(1 8 5)(3)(4)(6 18 16 13 11)(7)(9 14 12)(10)(15)(17 21 19)

4: (6 18 11)

(0 20 2)(1 8 5)(3)(4)(6)(7)(9 14 12)(10)(11 16 13)(15)(17 21 19)(18)