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