1: (1 6 13)

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

2: (4 14 12)

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

3: (5 15 7)

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

4: (3 7 13)

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