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

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

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

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

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