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

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

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

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

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