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