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

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

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

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

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