1: (6 7 10)

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

2: (1 7 20)

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

3: (0 16 2)

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

4: (1 10 3)

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