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