1: (0 5 9)

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

2: (4 15 6)

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

3: (3 21 9)

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

4: (5 19 7)

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