1: (0 1 13)

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

2: (4 13 20)

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

3: (3 14 9)

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

4: (1 15 13)

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