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

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

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

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

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