1: (0 3 12)

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

2: (1 19 4)

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

3: (3 16 10)

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

4: (14 20 18)

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