1: (0 5 13)

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

2: (1 20 11)

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

3: (4 18 5)

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

4: (2 19 16)

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