1: (0 3 6)

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

2: (2 19 4)

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

3: (1 21 6)

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

4: (3 8 5)

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