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

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

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

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

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