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

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

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

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

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