1: (0 10 11)

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

2: (3 12 10)

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

3: (2 20 4)

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

4: (3 17 11)

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