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

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

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

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

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