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