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

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

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

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

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