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

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

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

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

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