1: (0 2 10)

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

2: (1 20 4)

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

3: (2 18 6)

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

4: (5 11 8)

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