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

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

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

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

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