C1111233133313231133133313331323133313113313121111331322113222311   >>    C111123313331323113313331333132313331311331312111133132211322231   <<    C1111233133313231133133313331323133313113313121111331322113222313   >>      C1111233133313231133133313331323133313113313121111331322113222312   >>