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