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

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

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

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

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