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

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

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

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

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