1: (0 1 3)

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

2: (1 5 18)

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

3: (2 20 8)

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

4: (4 10 6)

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