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

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

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

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

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