1: (1 11 15)

(0 21 2)(1 11 15 5 3)(4 10 6)(7 19 8)(9 16 12)(13 18 14)(17 22 20)

2: (9 16 12)

(0 21 2)(1 11 15 5 3)(4 10 6)(7 19 8)(9)(12)(13 18 14)(16)(17 22 20)

3: (5 11 15)

(0 21 2)(1 11 3)(4 10 6)(5)(7 19 8)(9)(12)(13 18 14)(15)(16)(17 22 20)

4: (4 10 6)

(0 21 2)(1 11 3)(4)(5)(6)(7 19 8)(9)(10)(12)(13 18 14)(15)(16)(17 22 20)