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

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

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

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

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