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

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

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

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

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