1: (0 2 5)

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

2: (8 17 21)

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

3: (1 20 10)

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

4: (4 9 7)

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