1: (1 5 7)

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

2: (4 13 6)

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

3: (3 16 7)

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

4: (10 19 15)

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