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

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

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

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

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