1: (1 5 18)

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

2: (0 6 4)

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

3: (5 20 7)

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

4: (17 21 19)

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