1: (2 8 20)

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

2: (0 19 6)

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

3: (1 17 3)

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

4: (2 9 4)

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