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