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