1: (5 7 10)

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

2: (1 7 20)

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

3: (0 16 2)

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

4: (4 18 6)

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