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

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

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

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

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