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