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

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

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

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

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