(0 6 4)(1 18 12 10 8)(2 21 17 15 14)(3 13 11)(5 9 7)(16 20 19)
ALLOWS (11/8)-SEQUENCE
1: (0 1 4)
(0)(1 6 4 18 12 10 8)(2 21 17 15 14)(3 13 11)(5 9 7)(16 20 19)
2: (1 6 8)
(0)(1)(2 21 17 15 14)(3 13 11)(4 18 12 10 8)(5 9 7)(6)(16 20 19)
3: (5 9 7)
(0)(1)(2 21 17 15 14)(3 13 11)(4 18 12 10 8)(5)(6)(7)(9)(16 20 19)
4: (4 18 8)
(0)(1)(2 21 17 15 14)(3 13 11)(4)(5)(6)(7)(8 12 10)(9)(16 20 19)(18)