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

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

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

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

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