1: (0 3 7)

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

2: (5 7 21)

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

3: (4 8 6)

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

4: (3 13 7)

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