1: (0 3 16)

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

2: (2 20 4)

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

3: (3 18 6)

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

4: (5 17 12)

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