1: (2 7 11)

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

2: (4 13 9)

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

3: (1 5 3)

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

4: (2 8 19)

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