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

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

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

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

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