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

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

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

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

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