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

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

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

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

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