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