1: (3 7 9)

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

2: (6 17 7)

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

3: (8 20 10)

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

4: (1 19 16)

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