1: (3 4 13)

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

2: (4 7 9)

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

3: (6 11 8)

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

4: (3 9 5)

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