1: (0 1 3)

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

2: (1 5 19)

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

3: (2 20 8)

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

4: (4 10 6)

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