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