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