1: (0 3 15)

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

2: (1 19 9)

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

3: (5 15 21)

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

4: (4 14 6)

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