1: (1 8 19)

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

2: (0 1 5)

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

3: (4 11 6)

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

4: (3 12 10)

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