1: (0 2 10)

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

2: (1 14 4)

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

3: (5 16 21)

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

4: (13 17 15)

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