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

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

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

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

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