C111113331333132322331333133313331333133313121111331333132233133313122321   >>    C11111333133313232233133313331333133313331312111133133313223313331312232   <<    C111113331333132322331333133313331333133313121111331333132233133313122323   >>      C111113331333132322331333133313331333133313121111331333132233133313122322   >>