1: (0 3 15)

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

2: (1 21 5)

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

3: (2 6 4)

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

4: (15 19 20)

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