1: (4 9 11)

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

2: (8 20 10)

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

3: (1 11 7)

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

4: (0 19 2)

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