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

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

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

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

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