1: (0 1 3)

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

2: (1 5 19)

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

3: (2 20 8)

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

4: (4 15 6)

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