1: (0 2 8)

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

2: (1 20 4)

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

3: (3 11 5)

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

4: (4 9 6)

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