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

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

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

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

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