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

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

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

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

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