1: (0 3 21)

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

2: (1 8 14)

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

3: (7 17 12)

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

4: (13 19 16)

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