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

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

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

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

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