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

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

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

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

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