C123132112322333121111113121111331333133313231333133323223312122211213123321   >>    C12313211232233312111111312111133133313331323133313332322331212221121312332   <<    C123132112322333121111113121111331333133313231333133323223312122211213123323   >>      C123132112322333121111113121111331333133313231333133323223312122211213123322   >>