C3123223313331322121111331333133313223313113313113313231333132312213311   >>    C312322331333132212111133133313331322331311331311331323133313231221331   <<    C3123223313331322121111331333133313223313113313113313231333132312213313   >>      C3123223313331322121111331333133313223313113313113313231333132312213312   >>