1: (0 3 11)

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

2: (11 14 17)

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

3: (1 20 10)

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

4: (13 18 15)

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