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

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

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

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

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