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

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

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

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

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