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

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

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

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

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