C111123313121111121111331323133313331333132322121111133313331131131223321   >>    C11112331312111112111133132313331333133313232212111113331333113113122332   <<    C111123313121111121111331323133313331333132322121111133313331131131223323   >>      C111123313121111121111331323133313331333132322121111133313331131131223322   >>