C1111133313331323223313331333133313331333231333121111331312113313331333122321   >>    C111113331333132322331333133313331333133323133312111133131211331333133312232   <<    C1111133313331323223313331333133313331333231333121111331312113313331333122323   >>      C1111133313331323223313331333133313331333231333121111331312113313331333122322   >>