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

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

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

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

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