1: (0 1 15)

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

2: (4 15 21)

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

3: (2 19 13)

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

4: (10 17 14)

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