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

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

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

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

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