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

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

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

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

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