1: (5 9 14)

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

2: (4 10 8)

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

3: (9 16 11)

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

4: (6 17 15)

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