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

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

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

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

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