1: (0 1 2)

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

2: (2 16 20)

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

3: (7 21 19)

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

4: (1 20 3)

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