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

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

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

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

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