1: (0 3 7)

(0 5 3 16 13 11 2)(1 20 17 15 4)(6 12 10)(7)(8 14 9)(18 21 19)

2: (1 20 4)

(0 5 3 16 13 11 2)(1)(4 17 15)(6 12 10)(7)(8 14 9)(18 21 19)(20)

3: (3 11 5)

(0 5 2)(1)(3)(4 17 15)(6 12 10)(7)(8 14 9)(11 16 13)(18 21 19)(20)

4: (6 12 10)

(0 5 2)(1)(3)(4 17 15)(6)(7)(8 14 9)(10)(11 16 13)(12)(18 21 19)(20)