1: (2 7 20)

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

2: (0 19 5)

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

3: (2 7 20)

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

4: (4 9 6)

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