1: (0 1 7)

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

2: (3 7 20)

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

3: (2 10 4)

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

4: (5 18 8)

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