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