1: (0 1 5)

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

2: (3 5 19)

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

3: (2 6 4)

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

4: (1 7 5)

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