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

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

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

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

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