1: (0 3 15)

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

2: (2 20 5)

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

3: (3 9 13)

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

4: (11 16 14)

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