C111113331333132322331333133313331333132213331333132322121111331323231321   >>    C11111333133313232233133313331333133313221333133313232212111133132323132   <<    C111113331333132322331333133313331333132213331333132322121111331323231323   >>      C111113331333132322331333133313331333132213331333132322121111331323231322   >>