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