1: (0 2 5)

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

2: (3 9 15)

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

3: (8 17 10)

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

4: (7 18 15)

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