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