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