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

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

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

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

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