1: (3 5 13)

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

2: (3 14 11)

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

3: (1 7 4)

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

4: (6 15 8)

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