1: (0 2 5)

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

2: (3 9 15)

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

3: (8 16 10)

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

4: (7 17 15)

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