1: (0 8 19)

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

2: (6 20 10)

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

3: (7 14 9)

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

4: (5 21 19)

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