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