1: (0 2 13)

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

2: (1 15 6)

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

3: (4 13 21)

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

4: (3 10 5)

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