1: (1 5 11)

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

2: (4 14 6)

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

3: (10 21 13)

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

4: (3 7 11)

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