1: (0 2 16)

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

2: (1 20 3)

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

3: (2 19 12)

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

4: (6 17 14)

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