1: (1 7 20)

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

2: (0 19 3)

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

3: (1 15 5)

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

4: (2 6 4)

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