1: (0 4 6)

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

2: (2 7 5)

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

3: (0 9 3)

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

4: (1 8 6)

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