1: (0 2 13)

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

2: (1 20 7)

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

3: (4 13 21)

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

4: (3 11 5)

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