1: (9 11 19)

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

2: (8 12 10)

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

3: (5 13 11)

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

4: (4 17 6)

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