1: (0 1 3)

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

2: (6 18 21)

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

3: (2 20 17)

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

4: (1 7 4)

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