1: (0 2 7)

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

2: (1 20 4)

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

3: (3 9 5)

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

4: (7 21 19)

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