1: (0 1 2)

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

2: (2 5 20)

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

3: (4 21 7)

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

4: (1 20 3)

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