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

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

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

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

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