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

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

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

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

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