C111113331333132322331333133313331333133313121111331333121111331333132213331321   >>    C11111333133313232233133313331333133313331312111133133312111133133313221333132   <<    C111113331333132322331333133313331333133313121111331333121111331333132213331323   >>      C111113331333132322331333133313331333133313121111331333121111331333132213331322   >>