1: (0 1 2)

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

2: (2 6 8)

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

3: (5 16 7)

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

4: (1 8 4)

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