1: (1 6 12)

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

2: (4 15 10)

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

3: (11 16 13)

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

4: (3 14 12)

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