1: (0 3 16)

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

2: (1 20 13)

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

3: (0 6 16)

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

4: (2 21 19)

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