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

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

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

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

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