1: (1 4 18)

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

2: (0 5 2)

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

3: (4 20 7)

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

4: (6 19 13)

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