1: (1 8 12)

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

2: (7 13 10)

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

3: (4 14 12)

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

4: (3 8 9)

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