1: (3 7 12)

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

2: (5 20 11)

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

3: (2 12 4)

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

4: (0 19 9)

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