1: (0 4 6)

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

2: (3 21 5)

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

3: (6 10 13)

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

4: (7 14 12)

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