1: (0 4 9)

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

2: (7 9 15)

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

3: (1 19 11)

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

4: (3 8 5)

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