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