1: (0 2 13)

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

2: (1 16 7)

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

3: (4 13 21)

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

4: (3 11 6)

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