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

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

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

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

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