1: (0 4 8)

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

2: (6 8 21)

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

3: (5 11 7)

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

4: (4 19 8)

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