1: (0 1 2)

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

2: (2 7 20)

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

3: (4 21 8)

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

4: (1 20 3)

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