1: (0 1 15)

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

2: (4 15 21)

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

3: (2 19 10)

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

4: (6 16 14)

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