1: (0 2 15)

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

2: (1 19 7)

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

3: (4 15 20)

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

4: (3 14 5)

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