C11111333133313232233133313331333133313233213331323133313221211111131131   >>    C1111133313331323223313331333133313331323321333132313331322121111113113   <<    C11111333133313232233133313331333133313233213331323133313221211111131133   >>      C11111333133313232233133313331333133313233213331323133313221211111131132   >>