1: (0 1 10)

(0)(1 19 16 12 10 20 3)(2 17 14 8 4)(5 21 6)(7 11 9)(13 18 15)

2: (3 10 20)

(0)(1 19 16 12 10)(2 17 14 8 4)(3)(5 21 6)(7 11 9)(13 18 15)(20)

3: (2 17 4)

(0)(1 19 16 12 10)(2)(3)(4 14 8)(5 21 6)(7 11 9)(13 18 15)(17)(20)

4: (1 19 10)

(0)(1)(2)(3)(4 14 8)(5 21 6)(7 11 9)(10 16 12)(13 18 15)(17)(19)(20)