1: (1 5 11)

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

2: (4 16 6)

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

3: (10 21 13)

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

4: (3 7 11)

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