1: (0 5 8)

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

2: (4 10 6)

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

3: (3 20 8)

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

4: (2 21 18)

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