1: (3 6 11)

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

2: (5 13 9)

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

3: (1 8 4)

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

4: (3 7 15)

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