1: (0 3 9)

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

2: (1 20 4)

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

3: (2 18 8)

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

4: (0 21 19)

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