1: (0 3 9)

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

2: (7 9 16)

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

3: (4 10 8)

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

4: (3 11 9)

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